But although they are colliding, the ordinary matter in the constituent galaxies, due to the vast distances between component stars, pass through each other without incident.
然而尽管撞在一起，由于星系组成成分—恒星之间的遥远距离，构成星系的普通物质彼此通过，并没有碰撞发生。
By the new model, a variable displacement hydraulic pump is simulated by the ordinary hydraulic component with hydraulic resistance, abrupt pressure change and invariable flow.
该模型将变量液压泵等效为液阻、压力突变、恒流源构成的一般液压元件。
Data refinement is hard to deal with in a refinement tool compared with ordinary algorithmic refinement, since data refinement usually has to be done on a large program component at once.
由于数据精化需要针对更大的程序块，所以，它比一般的算法精化更加复杂。
The English test item bank is a necessary component of computer aided English teaching and an important tool for ordinary English teaching.
英语试题库是计算机辅助英语教学的必要组成部分，也是常规英语教学的重要工具。
The English test item bank is a necessary component of computer aided English teaching and an important tool for ordinary English teaching.
英语试题库是计算机辅助英语教学的必要组成部分，也是常规英语教学的重要工具。
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