茂金属催化剂是一种具有均匀的活性中心， 分子裁剪性和结构可控性的新型催化剂，用它催化可制得具有特殊性能的茂金属聚烯烃。

Metallocene catalyst is a new kind of catalyst having homogeneous-site, molecule tailing capability and controlled structure. It can be used to synthesize special function polyolefine.

youdao

磁流变阻尼器隔震系统具有隔震效率高、能耗低、可控性好等优点，但针对抗爆结构隔震的研究还很少。

Little attentions have been paid to the application of shock isolation system with magnetorheological damper in blast-resistant structures.

youdao

选择原理图输入方法，是考虑到本电路复杂度不高，而原理图输入可控性好，效率高，可靠性强且直观，可以熟悉较底层的结构。

Because of the low circuit complexity and the advantage of easy to control, high efficiency, good reliability and so on, the design chooses the way of schematic input to finish it.

youdao