Major diameter infrared optical Ge Monocrystal was developed by direct pulling method. The optical and mechanical properties were measured.
采用直拉法研制了大直径红外光学锗单晶，测量了其光学性能和力学性能。
Roughness of rock joints is a major factor affecting mechanical properties of rock joints.
节理的粗糙性是影响节理力学性质的重要因素。
The two major properties of the conductive adhesive are electrical and mechanical properties.
电性能和力学性能是导电胶粘剂的两大主要性能。
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