我国国有施工企业大多采用项目施工法，所以，对于项目经理进行有效的激励和约束至关重要。
As most of the state-owned construction corporations in our country carry out project-construction in the work, the efficient incentives and restrictions to the project manager is very important.
实验中，采用了一发一收法，并分别激励了对称模态s1和反对称模态A 1对该缺陷进行了检测。
In the experiments, the symmetric and antisymmetric modes, S1 and A1, were excited to detect hidden corrosion defect respectively using pitch-catch technique.
采用锤击法，利用冲击激励的宽频特性，研究了金属结构红外探测器的共振特性及影响振动噪声的力学因素。
Mechanical factors effecting on the vibration noise and resonance performance of IR detector were analyzed for the method of impact excitation using a hammer.
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