空空
- empty;nothing;for nothing;in vain
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(1) [empty;nothing]∶空无所有
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空空的食品间
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(2) [for nothing;in vain]∶白白地;徒然
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我求她立地回音,她却是不肯遵守。空空又等了一周。--郭沫若《瓶》
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这项治疗刚一结束,他就觉得胃里空空的。
Directly following this treatment , he had a hollow , empty feeling in his stomach .
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这篇文章写得空空洞洞,没有实质内容。
The article is empty and hollow , devoid of substance .
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她在世的最后几年,一个人居住在空空荡荡的老宅子里。
She spent the last few years alone , rattling around the old family home .
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时间已很晚,街上空空荡荡。
It was very late and the streets were deserted
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如果我们继续期望自己的女儿只重外表、毫无主见、头脑空空的话,她们就会对未来准备不足。
If we go on expecting our daughters to be decorative and pliable and empty-headed , they 'll be inadequately prepared for the future .
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中国的微生物学家余勇炫耀这宽敞的建筑,空空的办公桌,有插图的时间表详述了自20世纪80年代以来中国的南极洲运作的迅速发展。他说“我们整装待发。”
Yong Yu , a Chinese microbiologist , showed off the spacious building , with empty desks under an illustrated timeline detailing the rapid growth of China 's Antarctic operations since the 1980s " We now feel equipped to grow , " he said .
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大腹便便,头脑空空
Fat paunches have lean pates .
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进去之后,我们发现其实这就是一所废弃了的农舍,空空的屋子(除了那些机器和甘草),踩上去咯吱咯吱的地板,一堆一堆潮湿的墙皮脱落下来,满地的啤酒瓶、烟蒂,还有墙上的涂鸦。
What we found there was the typical old falling-apart farmhouse . Empty rooms ( except for the equipment and such ) , creaky floorboards , and piles of wet shattered plaster , beer bottles , graffiti , and cigarette butts10 .
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Air(初三适用)空空协同作战指挥控制系统
Cooperative Command System in Air Combat
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基于BP神经网络的空空导弹攻击区精确拟合
Accuracy Fitting of Air to Air Missile Impact Area Based on BP Neural Network
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超大前斜视空空弹载SAR成像实现方法研究
Air-to-air Missile-Borne SAR Imaging Processing of Forward-Looking Squinted Data
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然后,用BP网络实时计算了直升机发射空空导弹的空中攻击包线;
Thirdly , the launch envelop 's real time calculation is studied using BP neural networks .
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基于VISA控制的空空导弹通用测试系统设计
The Design of AAM Test System Based on VISA Control
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本文基于自抗扰PID控制理论,设计了某型含有结构不确定性的空空导弹非线性鲁棒自动驾驶仪。
Based on an auto-disturbance-rejection PID control , a robust nonlinear autopilot is designed for an uncertainty air-to air missile .
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基于HLA和Vega的空空对抗演练仿真系统
Simulation System of Air-to-air Fight Drilling Based on HLA and Vega
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通过延迟喷油正时延迟3.6度,NOX的比排放大幅降低。通过采用空空中冷器、选用改进型2增压器和第一次延迟喷油正时,NTC-330达到了GB17691-2001第一阶段限值的要求。
The NOx reduced significant by delaying injection timing for 3 . 6 degrees .
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空空导弹反作用侧向力/气动力复合控制系统设计增强型ABS控制系统及其对汽车侧向稳定性的影响
Reaction jets / aerodynamics blended control system design for air-to-air missile Improved ABS and its influence for vehicle lateral stability
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美国空军最近已开始实施双距离空空导弹(DRM)计划。
The USAF has begun to carry out the dual-range missile ( DRM ) project .
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多路ADC,DAC在空空导弹发射架自动测试系统中的应用
Application of multichannel adc , DAC in the automatic test and measurement system of the air-to-air missile launcher
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基于BST的空空导弹测试性设计
Air-to-Air Missile 's Testability Design Based on BST
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空空导弹自动驾驶仪BTT控制算法发展综述
Development of BTT Control Technique for Air-to-Air Missile Autopilot
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对空空导弹ATS软件的面向对象框架开发进行了探讨。
Discussing the development method of air-to-air missile auto test system ( ATS ) software based on object-oriented framework .
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本文介绍了混合语言编程技术在空空导弹发射架自动测试系统中的应用,说明了系统软件的结构,并简要阐述了C与汇编接口的一般方法。
This paper introduces the application of hybrid programming in the AAM launcher automatic test and measurement system . The configuration of the system software and the general methord of the interface between C and assembly language are depicted .
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针对多项式拟合和插值法解算空空导弹攻击区所存在的问题,提出了采用纯BP神经网络和BP网络-插值方法计算空空导弹攻击区。
According to polynomial fitting and interpolation method resolving existence problem of air to air missile impact area , presents two methods of pure BP neural network and the interpolation of BP neural network .
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空空导弹弹载SAR平台的大斜视角和大机动特点对成像算法的实时性、运动补偿提出了更高的要求。
The air-to-air missile borne SAR has important characteristics including high flight speed with non-constant velocity and big squint angle , which forward a greater requirements for the real-time performance , motion precise compensation .
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最后介绍了在微机局域网(LAN)下采用多线程和Winsock编程技术进行空空导弹分布式实时仿真系统的设计过程。
In the end , we researched the design process of the Air-air Missile Distributed Realtime Simulation System with the technology of multithread and Winsock in the LAN .
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本文研究BTT空空导弹越肩发射制导控制系统设计问题。
This paper studies the guidance and control system design of OTS Bank-To-Turn ( BTT ) Air-to-Air missile ( AAM ) .
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它携带中国设计的空空导弹,像是雷达制导的洛阳PL-12。
It carries Chinese-designed air-to-air missiles such as the radar-guided Luoyang PL-12 .
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论文以未来先进中远程空空导弹工程应用为背景,采用古典控制理论设计BTT导弹自动驾驶仪。
This paper takes the project application of the future advanced intermediate-range air-to-air missile as a background , uses the classical control theoretical design BTT missile autopilot .
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最后,介绍了OpenGL研制空战动画软件需要解决的关键技术,通过编制空空导弹攻击目标的三维动画仿真软件,生动地演示了导弹攻击目标的全过程。
At last , this paper introduced the key techniques of researching and developing real-time 3-D OpenGL missile fight animation software . A 3-D animation simulation software was developed to show vividly the process of air-to-air missile attacking target .