2. 职称英语
  3. Laser-dopple radar ______ . [br] Laser-dopple radar is especially valuable in sp

Laser-dopple radar ______ . [br] Laser-dopple radar is especially valuable in sp

游客2025-07-28  18
问题 Laser-dopple radar ______ . [br] Laser-dopple radar is especially valuable in space missions because it ______ .
选项 A、is one thousand times more precise than microwave radar
B、provides precise measures of the velocity of space vehicles
C、is a new system of radar
D、can measure the movement of a spaceship less accurately than a microwave radar
答案 B
解析 根据第二段：...laser-dopple radar, can measure with absolute precision...such fine measures of velocity are of prime importance.
转载请注明原文地址:https://tihaiku.com/zcyy/4179830.html
相关试题推荐
随机试题
最新回复(0)