查询词典 headwater erosion

An erosion of the internal strength of society, so that it just becomes like an eggshell.

是社会内部力量侵蚀的结果就像蛋壳

Products such as the angle of this, the cusp very demanding sharp erosion profile and ordinary Smooth Connection clear modelling methods could not meet the required processing, electroform production can be solved.

如产品角度太深，尖角要求极尖，蚀纹面与光面接线分明等普通制模法无法达到要求的加工工艺，电铸制作均可解决。

This poper fabricated copper tool electrode material with nano-La_2O_3 additive,discussed the role mechanism of additive,analyzed the appearance of electroform ed coating,studied the influence of nano-La_2O_3 additive on electrical erosion resistance of tool electrode materials,and optimized electrodeposition parameters.

选用纳米量级稀土氧化物-氧化镧为电铸基液添加剂制备了微工具铜电极材料，探讨了它的作用机理，分析了电铸铸层的微观形貌，并实验研究了纳米氧化镧添加剂对电铸电极材料抗电蚀性能的影响，优选了电沉积工艺参数。

The erosion of education, and of elementary education in particular, is an issue of grave concern.

教育，特别是基础教育的弱化是令人担忧的一个问题。

In this way, teacher's authority over students and students' dependence on the teacher have taken shape, and some inborn qualities of the students, such as independence, suspicion and creativity, receive not deference and development but erosion and emaciation.

这样，逐渐形成了教师对学生的权威性、学生对教师的依赖性。学生与生俱来的独立性、怀疑性和创造性，在教学中不但得不到尊重和发展，反而被消蚀殆尽。

Some inborn qualities of the students, such as independence, suspicion and creativity , receive not deference and development but erosion and emaciation.

学生与生俱来的独立性、怀疑性和创造性，在教学中不但得不到尊重和发展，反而被消蚀殆尽。

This is because that undercompacted embankment has lower resistance to storm or water erosion.

因此，路基的压实是路基施工中极其重要的环节，是保证路基质量的关键。

This wearing of enamel, caused by acid in our diet is called acid erosion.

珐琅质的磨损，由于酸造成，在我们的饮食中被称为酸侵蚀。

The soil erosion is a complex geomorphological process caused by the endogenic and exogenic force.

水土流失是一个复杂的地貌过程，它受多种因素的影响。

Erosion of bone and destruction of endosteum could be clearly shown o...

CT和MRI对骨纤维肉瘤有较高诊断价值，但其本身并无特异征象

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。