usefulness造句

Usefulness includes the fact the negatives have been calibrated.
所谓有用,是指在底片上要有标度.

The theory is of limited usefulness.
这个理论用途有限。

The report is of potential usefulness to the government.
这个报告可能对政府有用。

There are doubts about the usefulness of these tests.
这些试验是否有用，人们有所保留。

He has outlived his usefulness.
他已老而无用了。

Objective To evaluate the usefulness of MR cisternography in epidermoids of the cerebellopontine angle angle.
目的评价磁共振脑池成像在桥小脑角上皮样囊肿中的作用.

The attitude of the parents toward the usefulness of what is learned must colour the way children approach school.
父母对学知识是否有用的态度必定会影响孩子对待学业的态度。

I was persuaded of the usefulness of his new device.
我相信了他的新装置的实用性.

The index adds appreciably to the usefulness of the book.
索引明显地增加了这本书的实用价值.

Badly written questions limit the usefulness of questionnaires.
问题设计得不好,调查问卷的用途就会打折扣.

The advisory group has outlived its usefulness.
顾问组已失去了它的作用。

• #usefulness