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.
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。
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Katija and the biologists she works with record and measure the flow of water around animals using fluorescent dyes and a sophisticated underwater laser-video camera system the team developed.