当然,是在情况允许的条件下。
在DEM误差允许的条件下,一定存在着使DEM精度最好的最优基线。
In the condition of accepted DEM error, there must be an optimal baseline which makes DEM precision best.
如果双方都愿意,或者在有些取舍允许的条件下,还是有一些灵活变动的空间。
There's always room for flexibility, if both parties are willing, or if a trade-off allows for it.
First of all, it was normal for the apoikia to turn to the mother city for help, and it was normal for the mother city to be inclined to help if they could do it.
首先,迁徙地,向它的母邦求助很正常,而且,母城能力允许的条件下,给予援助也很正常
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