1、Calculate the mean distance travelled.
計算走過的平均距離。

2、You see here the six planets that were known at the time, and the mean distance to the Sun.
這是當時已知的，六個行星，以及于太陽的平均距離。

3、The mean free path is calculated by the mean distance between the centers of your regions.
平均自由路徑是由你的區(qū)域的中心之間的平均距離計算。

4、By using this ratio, mean distance between probe and target surface was estimated.
根據(jù)這一比值可以實現(xiàn)探頭與被測表面間距離的估計。

5、By using this ratio mean distance between probe and target surface was estimated.
根據(jù)這一比值可以實現(xiàn)探頭與被測表面間距離的估計。