1·My uncle recommended a useful instrument to me.
我叔叔向我推荐一台很有用的仪器。
2·The space station is a useful instrument in exploring outer space.
空间站是探索太空的有用工具。
3·Furthermore, it also proved that IAT was a useful instrument to test implicit attitudes.
该研究再次证明了内隐联想测验是一种有效的测量内隐态度的方法。
4·It returns to its right place, as a useful instrument, which is used when necessary and put aside when not needed.
它回归到恰当的位置，充当有用的工具，用则拿出，不用则收好。
5·As an important part of organizational accounting system, budgeting Can server as a useful instrument for the fulfillment of control function.
作为组织内会计系统的一个重要组成部分，预算可以作为一个非常有用的工具，来帮助会计系统履行其控制职能。
6·Dewey considers that truth is useful instrument, and it is always a hypothesis. If that is firmy established, people can eliminate dogma and method of authority decision.
杜威认为，真理是有效用的工具，它永远是一种假设，确立了这一观念，就可以在世界上消灭教条和权威的决断方法。
7·Teachers need a theory in the reflection of their practice. The mathematical tasks framework can act as a useful instrument and guide for teachers to reflect on their own instruction.
教师在进行教学反思时需要一种理论，数学任务框架是教师进行教学反思的有用工具或指南。
8·The testing observations indicate that such a recorder is a kind of useful instrument for microseismic observation, for observation of ground acoustics and for study present fault activity.
试验观测表明：这种仪器对监测极微震活动、地声观测和研究断层的现代活动性都是一种有用的仪器。
9·On the other hand smart systems are also undeniably useful as an instrument of control.
另一方面智能系统作为控制手段也不可否认着实有用。
10·So, if human trials confirm these results, the surgical-repairer's toolkit will have acquired a useful additional instrument-and the age of the cyborg will be just that little bit nearer.
所以，如果人体试验证实了这些结果，外科修复师的工具包就会增添一个有用的额外工具，且生控体系统时代的来临就又接近了一点点。