geological landform formation history 地貌发育过程
trap formation history 圈闭形成史
star formation history 恒星形成历史
formation history of hydrocarbon reservoir 成藏史
history of particulate formation 微粒生成历程
history formation 历史形态
Accumulation History and Formation 珠江口盆地西部文昌A凹陷油气运聚历史与成藏规律
The dissertation is emphasized on the improvement of a total cylinder sampling system, and based on the improved system, the formation history of in-cylinder particulate during diesel combustion has been investigated. The major achievements are listed as follows:1.
本文着重介绍了作者改进、重新设计后的全气缸取样系统,并利用该系统对燃烧过程中微粒的生成历程进行了研究。
参考来源 - 柴油机全气缸取样系统改进及微粒生成历程的初步研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The compositions and formation history of basement metamorphic rocks are the key to understanding crust evolution.
基底变质岩的成分和形成时代对揭示地壳演化至关重要。
The researchers determined that the lunar water likely originated early in the moon's formation history, suggesting that it is, in fact, native to the moon.
研究员表示,月球水很可能是在月球形成早期产生的,也就是说,是月球“天生”就有的。
There have been large uncertainties in the formation history of Mars because of the unknown composition of its mantle, the rock layer that underlies the crust.
因为其地幔的未知混合物,火星形成历史上还有诸多不确定因素。
The classical hoplite formation then was not the long lived military institution of scholarly tradition, but merely one phase in a history of almost four centuries of slow change towards ever denser and more cohesive heavy infantry formations."
这种方阵的形成,并不是经过长期传承的传统军事制度,只是步兵阵型演变的一个阶段,战阵逐渐向更加紧密坚固的步兵阵型转化,而这个变化持续了约有四个世纪"
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