usefulness的意思|示意
n. 有用；有效性；有益
GRE
usefulness相关短语
1、 Perceived usefulness 感知有用性,认知有用性,知觉有用性,有用性认知
2、 Decision Usefulness 决策有用性,决策有用观
3、 The Usefulness of Trees 树木的益处
4、 lost usefulness 效用消失,用途消失英语,用途消失
5、 Broadening Staff Usefulness 价值,提升员工价值
6、 test usefulness 测试有用性,测试有用性中图分类号H
7、 Evaluating Index Usefulness 评价索引的有效性,索引的有效性
8、 Main usefulness 主要用途,主要用场
usefulness相关例句
There are doubts about the usefulness of these tests.
这些试验是否有用，人们有所保留。
If an interactive computer screen is to match a whiteboard in usefulness, it must be viewable from arm's length as well as from across a room.
如果一个交互式计算机屏幕要在实用性上与白板相匹配，它必须在手臂长度范围和横跨房间范围内是可视的。
Man early learned the usefulness of weapons.
人类很早以前就知道了武器的用处。