Earlier reports suggested that a meeting would take place on Sunday.早先的报道暗示周日可能会召开会议。This article reports a method of preparation of metal - copper - powder with cuprammonia by directly chemical method.本文报导了一种用化学方法直接从铜氨溶...
染色线,染色''.'丝'.''染色单体的中间''.'丝'.''状体螺旋盘绕在排成一列的染色粒上.The spirally coiled central filament of a chromatid along which the chromomeres are aligned.然后, 本文采用了染色线流动显示技术显示...
These regressions must be suited to the curvilinear character of the relationships.这些回归方程必须符合相关曲线特征.Moreover, a gear pair with curvilinear - tooth traces operates without axial thrust force.除此之外, 具有曲线型齿线之齿轮在运转时亦不会产生轴向的推力...