effective area

基本解释

These hairs enable its hands to have a huge effective area in contact with the wall and create tiny van der Waals forces which attract the surfaces together.
这些毛发让壁虎的四肢能在接触墙面时形成很大的有效面积，产生出微小的让两个表面接触的范德瓦尔斯力。
The size series, parameters, calculation of effective area, requirements of sealing and assembling etc. of the diaphram type air brake chambers are presented.
介绍了膜片式气室的尺寸系列及参数、有效面积的设计、密封要求和装配等方面的内容。
The result shows that the big effective area of PCF used in transmitting the high power and manufacturing fiber-optic laser can be designed by changing the PCF structure parameter.
结果表明：通过调节PCF的结构参量，可以设计大有效面积PCF，用于高功率传输和制作光纤激光器；

Some military experts say you would need something like 50, 000 troops to really be effective in this area.
NPR: What the U.S. Can Do to End Violence in Darfur
The United Nations Interim Force In Lebanon, or UNIFIL, was created by the United Nations, with the adoption of Security Council Resolution 425 and 426 on 19 March 1978, to confirm Israeli withdrawal from Lebanon, secure international peace and security, and help the Lebanese Government implement its effective authority in the area.
CENTERFORSECURITYPOLICY: Why Hezbollah attacked Argentina
Our experiment also allows us to see which issue-area is most effective for each candidate.
FORBES: Move up http://i.forbesimg.com t Move down

有效面积
This paper generalizes the estimating methods, and estimates the algorithm from the numbers of the moving targets, the effective area ratio of the moving target, and the gait recognition rate. The estimating results are given as experiment data.
本文在对分割效果评价总结的基础上,分别从子块数目、有效面积比、对识别率的影响三个方面评价了算法的分割效果,并用实验数据给出了评价结果。
能源科学技术
抛光有效区域