网络释义专业释义
...red）；Vu易危（Vulnerables），NT／VU近危几近符合易 危（Near Threatened／Vulnerables） 数字为观察时间（Observation time）：④来源于参考文献《河南黄河湿 地自然保护区科学考察集》（④is from“TheⅢ‘ientific survey of the wetland of yellow rive...
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Observation time in production line 观测流水线作业时间
base observation time 基本观察时间
GPS observation time GPS观测时间
observation time difference 观察时间差异 ; 观察时间差
actual time of observation 实际观测时间
the observation time 观察时间
optimum observation time 最佳观测时间
双语例句原声例句权威例句
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China is giving 10% of its observation time, around 450 hours a year, to scientists from other countries.
中国每年将10%的观测时间（约450小时）交给其他国家的科学家。
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So the duration was not longer, and observation time is very short.
即日环食持续时间不长，观测的时间很短。
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The latter is efficient only when many binary orbits are visible during the observation time.
而后一种只在观测时间内能看到许多双星轨道才有效。
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There were other individuals that were making this observation at that time.
同一时期也有人做过类似的观察
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