Instrumentality or performance-reward linkage is the degree to which the individual believes that performing at a particular level is instrumental in attaining the desired outcome.

手段或绩效-奖赏联系：个体相信达到一定绩效水平后即可获得理想结果的程度。

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These solutions respectively base on ICs of Op Amp, instrumental Amp and full-integrated sensor signal conditioner, meet different-level products requirements.

这些设计方案分别基于运算放大器、仪表放大器以及集成一体化的传感器信号调理器等集成电路，分别满足不同档次的产品要求。

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Americans Venkatraman Ramakrishnan and Thomas Steitz and Ada Yonath from Israel were all instrumental in showing how proteins are made at the atomic level.

VOA: standard.2009.10.07