查询词典 hard-edge

Above all, water is a kind of solvent, which can solve hard stone.

首先，因为水是一种极佳的溶剂，它能溶解坚硬的岩石。

Zircon jewelry should be stored carefully because although this ancient gem is hard, facets can abrade and chip.

锆石饰品应存放小心，因为虽然这个古老的宝石难、面、筹码可以研磨。

This is real hard work and it took more than 2 months to finish with tools such as iron hammer, manpower abrader and 100 hole/ cm2 metal screens.

这是一项很笨重的工作，所用的工具有铁锤、药碾子、100孔/厘米2金属筛，全是手工操作，用了两个多月才完成。

According to various of the technical difficulties such as low drilling efficiency in hard rock and short service life of diamond drilling bit, analysis was made on the inherent links between blade-extruding of hot-pressing diamond and rock abrasiveness.

中文摘要：针对在坚硬致密岩石中钻进时效低和钻头使用寿命短的技术难题，分析了热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于金刚石出刃，从而能提高钻进速度。

In order to solve the problem of low efficiency and short service life of hot pressed diamond bit when drilling in hard and compact formation, relations between diamond exposure of hot pressed bit and rock abrasiveness were analyzed in this paper. Research on matrix performances of hot-pressed diamond bit was firstly carried out.

针对在硬而致密岩石中钻进时效低的难题，本文分析了碳化钨基热压钻头的金刚石出刃与岩石研磨性等岩性之间的内在联系，认为钻头的胎体成分及其性能是关键，硬而带脆性的胎体性能有利于全刚石出刃，从而能提高钻进速度。

I have to work hard to stay abreast of the development of our times.

我必须努力工作跟上我们时代的发展。

So we'll structure your account to keep the overhead on each of your hard earned sales to the absolute minimum.

因此我们将会结构你的帐户，以保持开销就你每次得来不易的销售，以绝对最低的。

First the absolute value of 1 learns very hard?

初1的绝对值很难学会的吗？

The traditional politics of Principle of Welfare is a kind of ideal theory, which is hard to be carried out in emperor's absolutism.

传统民本政治是一种理想色彩很浓的理论，在君主专制主义时代是不可能实现的。

Nevertheless, it is pretty hard to defend absolutist morals on grounds other than religious ones.

然而，要想为不基于宗教的绝对论道德辩护是一件很困难的事情。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。