即是

Before acting as and processing a kind of crude oil, want color, smell and boiling point to determine crude oil and heat up Cheng, density, viscosity, condensation point, flash point, ignite, spontaneo

当加工一种原油前，先要测定原油的颜色与气味，沸点与馏程，密度，粘度，凝点，闪点，燃点，自燃点，残炭，含硫量等指标，即是原油评价试验。

Geometry a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis

eccentricity：释义 eccentricity 离心率椭圆的离心率即是指椭圆上点到焦点的距离与到准线的距离的比值。

This is the constitutional foundation of limitation of action.

这即是诉讼时效的制度基础之所在。

As the term of contraposition of structure, which displays different contents and materials under one theme, authour set the same goal with different, relatively integrate means and different plots on narrative or plot.

而小说的结构对位，即是在同一主题下，以此来呈现不同内容、材料，使其在目标一致的情况下，在叙事或故事情节上呈现出相对完整的意义和不同的故事情节。

The purpose of this report is to give profound discussion in simple language on motion control of induction motors.

本报告的目的即是对感应马达运动控制技术作深入浅出之探讨。

This is the core of Chinese education.

这即是中国教育的核心。

Where the great wall of china stands today is the border between corea and china.

中国长城的位置即是中国和韩国的分界线。

It is a struggle between revolution and counter-revolution.

这种新旧斗争，即是革命和反革命的斗争。

When she was 7, she and her family traveled by covered wagon and moved to the prairie land of Walnut Grove, Minnesota.

七岁时，与她的家人搭乘篷车旅行并搬至明尼苏达州核桃丛的大草原。1862年的宅地法案鼓励美国大众向西部前进并定居在那儿，威尔德一家即是因这个法案定居在这片草原上的拓荒者之一。

We knew that the strategy of the brand should now past coxcombical, farewell through direct essence, vision, the success of our clients is our existence value.

我们深知，如今的品牌战略应告别往日的浮夸，透过幻象，直达本质，客户的成功即是我们存在价值的体现。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。