对于易于丈量的劳动数目，可直接得到实际完工劳动量占总劳动量的比例。

For easily measured quantities the actual proportion of completed work amounts can be measured.

youdao

对于易于丈量的劳动数目，可直接得到实际完工劳动量占总劳动量的比例。

For easily measured quantities the actual proportion of completed work amounts can be measured.

youdao