周期长

该技术具有操作条件缓和、设备投资及操作费用较低、运转周期长、无污染等特点。

The process has the characteristic of mild operating condition , low investment and low cost , long cycle length and low pollution .

浮法玻璃项目工程建设具有一次性、投入大、生产周期长、不确定性因素多等特点，在建设过程中不可预见的因素较多，工程项目投资不可避免地面临着各种风险。

Float glass project is a one-time project construction , large investment , long production cycle length , number of uncertainties and other characteristics in the construction process more unpredictable factors , the project investment inevitably faced with various risks .

ASIC设计的周期长，成本高，任务复杂。

The character of ASIC design is long-period high-cost and complexity .

然而由于系统的庞大复杂，使得ERP的开发存在着成本高，开发周期长，系统缺乏柔性，难于适应企业的业务流程重组等弊端。

However the structure of ERP system is so great and complicated that developing cost is very high and developing period is rather long .

然而面对Internet文档的动态性、无结构化和半结构化的特点，搜索引擎存在着覆盖范围小、数据库更新周期长等局限性。

But facing the characteristics of Internet document , such as dynamic nature , no structured and semi-structured , the search engine exists limitations of little coverage and long update cycle of the database .

本文主要是在中间件集成方案的基础上，分析了传统中间集成方案的不足：基于传统中间件方法的集成系统是紧耦合性、开发周期长，对于Web集成平台都是基于HTML语言设计的。

The paper analyzes the deficiencies of the traditional intermediate integration solution , which means tightly coupled nature , long development cycle for web integration and dull HTML language design .

针对诸多虚拟数控机床加工仿真系统研制方案费用开支大、开发周期长的弱点，本文探讨并践行了Web嵌入式虚拟数控机床加工仿真技术。

Web embeded virtual NC machining simulation technique was discussed and practised , which aims at overcoming the weakness of high expenditure and long period of the numerous developing schemes of virtual NC machining simulation system .

常规育种由于缺少抗源及育种周期长，在抗CMV育种上成效较低。

Routine breeding shows lower effect in resisting CMV breeding for lack resistant resources and longer cycle of breeding .

由于ERP项目耗资大、周期长而且还需要多个部门的配合，因此目前ERP系统成功率并不高。

However , due to ERP project cost , long cycle , also need a number of departments , so the ERP system success rate is not high .

组件技术解决了传统GIS厂家在开发GIS应用系统时所面临的专业技术要求高、开发周期长、系统集成困难等问题。

COM technology solved the problems such as high specialized specification 、 long development cycle 、 difficulty system integration , which traditional GIS factories had to faced with when developing the GIS application system .

但是，ECU硬件结构复杂、软件开发以及参数标定周期长、成本投入大。

However , ECU has itsdrawbacks : complex hardware structure , long period of software development andparameters ' calibration , high costs .

MEMS工艺设计与实验验证的周期长，成本高，因此准确有效地模拟MEMS加工工艺非常迫切。

The MEMS design and its experimental verification are a long term and high cost process , so it 's necessary to simulate the MEMS process accurately and efficiently .

FMS的复杂性决定了其控制系统的研究开发是一项技术复杂、周期长、成本高的活动。

The development of the control system of FMS is project with a complex technology , long periodic and high cost because of its complexity .

然而，ERP项目所具有的投资额大、难度大、周期长、项目风险大、效益滞后等特点使得其实施成功率普遍较低。

However , the core features of ERP project such as vast investment , hard to implement , long-cycle , high-risk , benefit-delaying and so on cause it 's implementation success ratio generally low .

我们常用的DLG数据更新方法比较繁琐，制作的周期长。

However the updating method which we usually use is complex and the Cyc is a little long .

该方法费用多、周期长，研究结果仅限于装置的外特性，难以了解装置的内特性。近年来，随着CFD理论和技术的不断发展，数值模拟方法在水泵装置方面得到越来越广泛的应用。

The method expends a lot and has a long period , and the results of the research are only limited to exterior characteristics of the system lack of interior characteristics .

气体绝缘组合电器（gasinsulatedswitchgear，GIS）与传统的高压配电装置相比具有结构紧凑、占地面积小、运行可靠性高、检修周期长等突出优点，因此广泛应用于高压输电系统中。

Compared with traditional high-voltage power distribution apparatus , GIS ( Gas Insulated Switchgear ) has the advantages of compact structure , easy maintenance , and reliable operation , thus widely used in high-voltage transmission system .

本文提出的基于UML的短信息开放式平台，能够解决现有短信息服务开发中的重复开发、成本高和开发周期长的问题，具有较强的应用价值和推广前景。

This dissertation proposes the UML-based short message open authoring system , which can solve the development problem of redundant development , high cost and time-consuming . This research has its applicative value and brilliant prospect .

SF6全封闭组合电器是一种具有可靠性高，检修周期长，结构紧凑等先进技术的综合输配电装置。

SF6 totally enclosed combined electrical apparatus is an advanced comprehensive power transmission and distribution device with high reliability , long check period and well-knit structure .

其中的MT算法，以其周期长、精度高、高维随机性能优良，得到了非常广泛的应用。

MT algorithm is one of Feedback Shift Register Generators , which has been applied into many fields widely , due to its long-period , high decision and good random performance in high-dimension .

运用3S技术、加密技术、计算机网络技术、数据库技术，依照林业数据更新周期长，分布地域零散、实时大批量信息的传输等特点，指出了林业信息网络安全存在的问题以及面临的机遇与挑战。

Use 3S technology , encryption , network technology of the computer , database technology , have pointed out forestry 's information online security existing problem and opportunity and challenge faced .

传统的光接收机中，光电探测器以及高速模拟电路模块的设计制造大部分采用非CMOS技术，虽然能够获得较为优越的性能，但是工艺不成熟，制作成本高，设计和加工周期长。

In the past , the photodetector of optical receiver and the high speed analog circuit module were all fabricated by non-CMOS technologies , for their excellent performance with the limitation of expensive manufacturing costs and much longer design and fabrication cycle .

在胎体PDC钻头制造中，传统的加工工艺具有加工精度低、制造周期长、复杂形状钻头难以实现等缺点。

While making PDC bits with matrix body , the traditional processing techniques show many shortcomings , such as low machining accuracy , long making cycle , and difficulties of realizing a complicated form bit , etc.

多头拼接扫描的机械结构，对扫描精度的影响很大，而高精度的多CCD头拼接调校又是一件非常繁琐的工作，不但周期长，效率低，而且精度的一致性难以得证。

Multi-CCD splice scanning mechanical structure have a great impact on the scanning accuracy . but the high-precision multi-CCD adjust is a very tedious work , not only a long cycle , low efficiency , and accuracy of the consistency of hard to get permits .

同时，本文还针对持载试验周期长、费工费时的特点，采用计算机模拟的方式对于FRP持载加固混凝土矩形柱试验的分析进行了初步的探讨。

At the same time , because the tests under sustained load have a long period and take a lot of labor , this study has preliminarily to make the computer simulation analysis on the preloaded concrete columns strengthen with FRP .

针对skutterudite材料制备工艺中熔融法和固相反应法合成周期长、工序多的不足，尝试将机械合金化法应用于skutterudite材料制备中。

Considering that melting and solid state reaction methods are complex and time - consuming in preparing skutterudite materials , mechanical alloying is selected to be studed .

针对高温合金零件机械加工周期长、刀具损耗大的难点，开发采用高功率调Q激光对高温合金零件进行表面光整的方法。

As there are some difficulties to process high temperature alloy parts , such as long process periods and great tool wears by traditional processes , a new method using high power Q-switch laser for gasification finishing the surfaces of high temperature alloy parts made by PDM was proposed .

对于高压共轨柴油机的ECU而言，采用传统的方法进行调试需要做大量的发动机台架试验，开发成本高，开发周期长，难以适应市场的需求。

As to the ECU of high pressure common rail diesel , lots of diesel engine bench tests should be done in traditional way . The high development cost and long period make it difficult to satisfy the need of mark .

与进口催化剂相比，AB-97型催化剂具有再生周期长，活性稳定性和选择性好等特点。

In comparison with imported catalysts , AB-97 catalyst has the characteristics of long regeneration period , good active stability and selectivity .

传统的ISA总线，传输速率低，而且不支持热插拔，已经逐渐被淘汰；PCI总线虽然传输速率很高，但是开发相对复杂，需要投入的人力物力较多，开发周期长。

The traditional ISA bus transmits the data slowly , and not holds out inserting and pulling out heatedly , so it is abandoned gradually . Though PCI bus transmits the data quickly , it is developed complexly , and needs more manpower and material resources .