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Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.

多数白云石显然是原来方解石交代的结果，但肯定不是全部。

This was a necessary precursor to the development of calculus and a precise quantitative science of physics .

这是一个必要的前体的发展，微积分和精确的定量科学的物理学。

In this paper, straight carbon fibers have been obtained using copper tartrate catalyst precursor at 200 oC.

在本文中，利用酒石酸铜催化剂前驱体在200 oC的温度下，制备得到了直线型碳纤维。

Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.

炭质中间相是制备炭材料，尤其是高附加值炭材料的优质前驱体。

Through the analysis of crystal structure and phase compositions, it was concluded that the precursor carburization and substrate temperature are the most important parameters to get nanostructure tungsten carbide thin films.

通过分析影响薄膜的晶体结构、化学组成的因素后，认为要得到具有纳米晶结构的碳化钨薄膜，主要应控制前驱体气体中的碳钨比以及基底温度。

Precursor to the great galleon of later centuries, the Grande Carrack is a superior version of the Carrack, used in the late 15th century and early 16th century.

卡拉克巨舰是后日战列舰的先驱，舰身比普通卡拉克战舰更为庞大，曾出现於十五世纪晚期和十六世纪早期。

The Suburban Carryall, the precursor to today's SUV, was designed to carry eight passengers in a truck-type vehicle while giving them a comfortable ride.

雪佛兰Suburban Carryall车型是现今SUV车型的前身，这款与卡车相似的汽车可以搭乘8名乘客，并拥有舒适的驾乘感受。

The state of Alabama became a cause celebre, was a major precursor of the U.S.

2001年是那场让美国人关注了近20年的官司的70周年纪念。

The effect of crystallization process from polymers, control laws of particles from the long-chain structure of polymer, as well as the self-assembly regulatory mechanism of nano-particles from polymer are investigated , through the control of its morphology and properties of precursor order to get large aperture, high specific surface area, has good thermal stability and catalytic cerium oxide particles.

研究聚合物对结晶过程的影响、聚合物的长链结构对粒子自组装的控制规律以及聚合物对纳米粒子自组装的调控机理，通过控制其前驱体的形貌和性能，以期得到大孔径、高比表面积、具有良好的热稳定性及催化作用的氧化铈颗粒。

The main work as follow: 1. The precursor of W-Cu composite powders was prepared by chemical coprecipitation using tungstenic acid and chalcanthite.

以黄钨酸和五水硫酸铜为原料，用化学共沉淀法制备钨铜复合粉前驱体粉。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。