roots的例句大全

The characteristics of overflow valve Roots pump and ways of testing the overflow valve differential pressure are introduced. And it is pointed out that the overflow valve differential pressure of overflow valve Roots pump should be examined in test procedure.

介绍了带溢流阀罗茨泵的特点和溢流阀压差的试验方法，明确提出应对带溢流阀罗茨泵考核溢流阀压差。

It has its roots deep in the Middle Ages.

它起源于遥远的中世纪。

Mr Lie traced his mother's roots to a village near Zhangzhou, the silk-trading city in China's southern Fujian province that they left seven generations ago.

李伟汉追溯到，他母亲的祖先来自福建丝绸贸易古城漳州附近的一个村庄，他们在七代以前离开家乡。

While the oak tree was sleeping, its roots were cut.

而栎树正在睡觉，它的根被切断。

Interpolation of minimal norm into the space of incomplete polynomials which have fixed roots is shown here to be characterized by the eguioscillation properties.

本文证明了扦值空间为具有固定根的缺项多项式空间的最优插值的等振荡性质。

Conclusions: ( 1) S 1~ S 3 or S 1~ S 4 anterior spinal roots cross anastomosis should be taken during the operation of bladder functional reconstruction with Achilles tendon reflex;

结论：（1）利用跟腱反射重建膀胱功能时宜选用L5前根与S3或S4前根交叉吻接；

In recent twenty years, studies on the medicinal components of Achyranthes Roots have been made a great development.

近二十年来，对其药用成分的研究取得很大发展，不断有新的化学成分被发现和报道并且药理作用研究也日趋深入。

The experiment group for 102 cases with 180 roots, applying root length surveyor test its working length, undertake root preparing and filling up, took X ray after operation;

实验组102颗牙180个根管，用根管长度测量仪测量其工作长度，进行根管预备和充填，术后拍片；

With decomposed processing tomato roots, stems and leaves as test material, this paper studies its allelopathy on the growth of processing tomato.

以粉碎腐解的加工番茄根、茎、叶为材料研究其对加工番茄自身的化感作用。

He talked about how watering trees made for shallow roots, and how trees that weren't watered had to grow deep roots in search of moisture.

他还告诉我用水浇灌的树的根是如何的浅，而那些没有浇水的树的根必须钻入深深的泥土获得水分。

His cooking reflects a determination to acknowledge his northern roots

他的烹饪风格表明他决心承认自己根在北方的坚定决心。

Teachers' Day, which falls on Sept 10, has no historical roots and so cannot embody2 the cultural essence of Chinese educational traditions.

9月10日的教师节缺乏必要的历史意蕴，无法彰显中国教育传统的文化内涵。

Chapter four explores the cultural and historical roots of the temporal-spatial differences between Chinese and Americans from the perspectives of value systems, high-context, low context, and agriculture and industry cultures.

第四章从价值体系，高、低语境，以及农业文化与工业文化三个角度进行分析，探讨了中美非言语交际的文化差异的文化及历史根源。

Cotton Beach And with the cotton roots, the G. Results The sterilized cotton stick was contaminated by bacteria one hour after unsealing.

结果无菌棉签在启封后1h即被污染，且随着时间延长、抽取次数增多，污染程度逐渐加重。

Suffering is a wonderful fertilizer to the roots of character.

苦难对于人格的培植，是一种奇妙的肥料。

With strong roots system and fast growing speed, roots of herb plants could form three dimensional space structures in a short time.

草本植物根系发达，生长快，能在较短时间形成三维空间结构，对边坡生态防护的前期起到了较大的作用。

Helical Three Lobe Roots Pump Design and Rotor CAD Research

螺旋式三叶罗茨泵设计与转子CAD研究

Outline Design and VBA Parametric Programming Draw of Three-lobe Roots Pump Rotor

三叶罗茨泵转子的型线设计与VBA参数化编程绘图

Reducing Threshold Search Method for Finding All Roots of Algebraic Equations

降阈搜索法求代数方程的根

There was no rutin in the roots of the maize under the different treatments through check.

在不同的处理下，玉米幼苗根中都未检测出芦丁。