协调像素大小和传感器大小对于优化镜头的透光量来说是一项艰巨的任务，并且经常是说比做更容易。
It is a daunting task to reconcile between pixel size and sensor size with respect to lens light throughput optimization, and is often easily said than done.
飞行员可以在战区上空飞行，在地面上扔下数千个小型无线传感器，每个传感器只有一块小鹅卵石大小，价格为1美元。
Pilots can fly above a war zone and drop thousands of small wireless sensors, the size of a small pebble and costing a dollar apiece, over the terrain.
导弹仪器替代远程目标是以弹道导弹的相似大小和几何形状，但包括一系列传感器来记录和测量激光性能。
The Missile Alternative Range Target Instrument is similar in size and geometry to a ballistic missile, but with a section of sensors to record and measure the laser performance.
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