“观测者”造句
绘图技术取决于
观测者的能力.
The technique of the drawing depends on the ability of the observer.
对于
观测者特别重要的是明暗界线的位置.
Of particular importance to the observer is the position of the terminator.
观测者要对大气条件作详细记录.
The observer should always make full notes about the atmospheric conditions.