However, if the planet is in a good position, astronomers look for three key things: water, air and rock.
然而如果这颗行星处于很好的位置，天文学家会寻找三样关键的东西：水、空气和岩石。
Carry forward in a new paragraph assuming key position tray in three aspects having analysed office position of a deputy to the chief of an office should handle the good basic relation.
与部属的关系：承上启下作枢纽三方面浅析了办公室副职应处理好的基本关系。
These three commands have equivalent effect. The first specifies that the first key's start position ignores leading blanks and the second key is sorted numerically.
帮助文档对这个例子的解释明确告诉咱们：这三个命令是等价的，第一个指定域忽略前导空白，第二个指定域按数值排序；
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