The characteristics, the structural formation, and integrative mechanism of such an environment are described.
指出该环境的特点、结构和集成机制。
It was shown that the velocity of structural formation processes were deduced in the systems with different amount of gas transport agent.
发现掺加一定量的气相传输助剂可使化学反应速度提高，对应于不同气相传输助剂含量的体系存在三种不同的产物结构形成过程。
The structural formation, design and construction features of the steel box girders for Ramp Bridges Z3 and Z4 of Tonghuihe North Road Highway Interchange in Beijing are described.
介绍北京通惠河北路道路立交中的Z 3、Z 4匝道桥钢箱梁的构造、设计和施工特点。
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