It is mainly concerned the modification of Composition B to control exudation, restrain irreversible size growth, enhance mechanical properties and decrease sensitivity.

防治B炸药渗油、抑制其药柱尺寸不可逆长大、增强其力学性能和降低感度是B炸药改性研究的重要内容。

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Your composition has improved tremendously, Jack! B: Really?

杰克，你的作文大有进步啊！真的？

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A general BASIC program is given for calculating molecular composition and stability constants of synergistic complexes in the M-HA-B and similar synergistic systems.

用BA SIC语言编制了可通用于M - HA - B类协萃体系的计算程序，用以计算协萃络合物的分子组成及稳定常数。

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