周长

它的高度有时候可以超过六十英尺，而其周长——也就是树干一圈的长度——则能够达到二十英尺之多。

Its height sometimes exceeds sixty feet , while the girth , or distance round the trunk , is often more than twenty feet .

我们需要知道（箱子的）重量和周长。

We need to know the weight and the girth .

地球的周长大约为25000英里。

The earth is almost 25 000 miles in circumference .

这个形状奇特的美丽湖泊周长约有15,000英尺。

This beautiful and curiously shaped lake lies at around fifteen thousand feet

这个岛周长3.5千米。

The island is 3.5 km in circumference .

这棵树周长6英尺。

The tree has a circumference of 6 feet .

他的秃头顶四周长着一圈灰白的头发。

A band of gray hair encircled his bald dome .

湖的周长（为）十二公里。

The lake is12 kilometres in circumference .

运动场周长一英里。

It 's a mile round the circumference of the field .

随后在五月初迎来了黄金周长假。

Then there is a long Golden Week holiday at the beginning of May .

那岛周长五英里。

The island is five miles around .

橘黄色的小花从四周长出来，野花生长在墓地的任何地方，本都不是希奇的（补：但问题是，整个墓地，只有这个地方长着花）。

Small , orange wildflowers were growing up around it . This might not have been so unusual except for the fact that they were the only flowers growing anywhere in the cemetery .

具有围长g的连通图的周长

Circumference of Connected Graph with Girth g

ISO薄壁轴瓦半圆周长检验模CAD程序系统

A CAD Programming System for ISO Thin-Wall Bearing Semicircular Perimeter Checkout Model

基于FFT的区域周长的快速算法

A Fast Algorithm Based on FFT for Calculating Perimeter of Region

当我们测量脑输出量时，尤其是在重病看护病房，，particularly，in，the，ICU，–，我们一般会测量2到3个周长。

And when you measure the output of the brain Intensive Care Unit , we typically look at two or three .

胡夫金字塔的周长与高之比正好等于pi，

The ratio of the Great Pyramid 's circumference to its original height is equal to the value of pi .

结果DNA指数、核最小直经、核面积、核最大直经和核周长为影响乳腺癌预后的主要因素。

Results DNA index , minimal diameter of nuclei , area of nuclei , maximal diameter of nuclei , and the perimeter of nuclei are important factors to influence the prognosis .

VC中通过标识物体测量面积周长，进一步熟悉及掌握在VC中图像处理的方法实现！

VC area by measuring the circumference of the object identified , more familiar and master in the VC in the image processing method to achieve !

InGaAs探测器性能与结面积和周长的关系研究

The dependence of InGaAs photodetectors ′ performance on area and perimeter of the PN junction

结果：各个基础起搏周长下左、右心耳的ERP在AF后1d，3d，5d，7d逐渐缩短，且较AF前明显缩短（P<0.05）；

Results : The ERPs of left and right auricle gradually shortened , compared with before AF ( P < 0.05 ) .

本研究对单行粮食颗粒的周长、面积、长度、宽度和RGB分量平均值的特征进行了提取。

The design can extract single line grains exterior features including perimeter , area , length , width and RGB average .

重整时，偶联间期与回归周期之和（即代偿间歇）与心动过速周长（CL）的关系有3种不同的表现。

There were 3 patterns of resetting as to the relationship of the sum of coupling interval and return cycle with 2 times of cycle length .

应用图像分析系统检测上皮层和固有层阳性细胞平均灰度、面积和周长的变化，探讨LC的数量、形态、表面抗原的变化以及浸润淋巴细胞的性质；

HPIAS-1000 image pattern analysis system was applied to demonstrate the mean gray degree , size and perimeter of positive LC in epithelial and lamina propria layer .

囊腺癌级细胞的核形状因子与其它两组比较，差异有非常显著意义（P＜0.01），细胞核周长、核面积差异无显著意义（P＞0.05）。

In the aspect of morphometry , nuclear circle was greatly different among the three groups ( P < 0 . 01 ) . There was no significant vari-ances in nuclear parameter and area ( P > 0 . 05 ) .

方法对30例患者行食管心房调搏检查，测定三个不同心房BCL下心房、房室传导系统功能和有效不应期，以及静脉注射普罗帕酮后起搏周长对不应期的影响。

Methods Refractory periods of atrioventricular conduction system were determinated at three cycle lengths in 30 patients with supraventricular tachycardiac history by transesophageal atrial pacing .

确定将缺陷面积、缺陷长短径比、缺陷周长以及欧拉数等作为钢球表面缺陷识别的特征参数，并提出了一种基于BP神经网络的钢球表面缺陷类型识别方法。

Defect area 、 defect length-diameter ratio 、 defect circumference and Euler number are determined as characteristic parameter , and it has proposed a method of the steel ball surface defect based on BP neural network .

详细介绍了一种用于轮胎钢丝圈内周长测量的一套系统，本文主要介绍了基于PLC的钢丝圈内周测长仪的机械结构、测量原理及电控单元的硬件和软件设计。

Details of a steel wire for tire circumference measurement of a circle system , this paper introduces the PLC-based wire circle week length gauge mechanical structure , measuring principle and ECU hardware and software design .

OVX组截面总面积和外径周长也有逐渐增加趋势，但差异无显著性。

In OVX group the total tissue and periosteal perimeter also showed tendency to increase , but the two groups were not different significantly .

方法：应用DNA特异染色（Feulgen染色），测量每例50～70个细胞核的面积、周长、最大直径、等效圆直径、核形状因子5项参数。经统计学分析。

Using Feulgen staining technique , 50 to 70 tumor cell nuclei were studied per case for their area , perimeter , maximum diameter , equivalent diameter and regular form factor .