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S SHILLING:先令
R.Y.T. REPLYING TO YOUR TELEGRAM 回复贵电 | S SHILLING 先令 | S IS 是
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shear stress:剪应力
气象学( Meteorology ) 水利学( Hydraulics)天体物理学( Astrophysics ) 运输学( Transportation )流体的因次(dimension)与单位(unit)固体:当一剪应力(shear stress)施於固体时,固体之变形角度正比於施力,而变形不随时间而变化.
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Ecgonine methylester:芽子碱甲酯
Ecgonine hydrochloride;盐酸芽子碱;; | Ecgonine methylester;芽子碱甲酯;; | Ecgonine methylester hydrochloride;盐酸芽子碱甲酯;;