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Therefore, the exemption is set RoHS lead as an alloying element, in steel, aluminum, Copper alloys were allowed to reach the corresponding content of the duty exemption.

所以RoHS 指令设定的豁免条件是铅作为合金元素时，其在钢、铝、铜合金中的含量才允许达到相应的豁免值。

Objective To develop an effective and feasible method to construct three-dimentional finite element model of the whole edentulous maxilla and cranial skeleton.

目的探索快速建立完整无牙颌上颌骨及颅骨三维有限元模型的方法。

A three dimensional finite element analysis of bone around dental implants in an edentulous human mandible.

CT扫描及CAD技术在建立无牙下颌骨及其全口义齿三维有限元模型中的应用研究。

We made an effective analysis on the bending resistance capacity of the new concrete sandwich plate with the finite-element method.

本文主要通过试验方法并辅助有限元分析对这种新型板材的抗弯性能进行了研究。

A compound of iodine with a more electropositive element or group.an iodide that is used in photography, in seeding clouds to make rain, and in medicine.

都含有溴化物，溴化物和碘化物含有极相似的分子结构，如果我们每天不停吃精。。。

Hence, characterization and analysis of the machine element surface stands out as an ever-increasingly important traditional as well as burgeoning issue in mechanical engineering.

因此，机械零件表面形貌的表征和分析这一传统而新兴的课题在机械工程领域具有越来越重要的地位。

The greater the nacre thickness, the higher the quality, and this factor is also an important element in the durability of the surface.

珍珠层越厚，代表珍珠品质越高，而这亦是一个影响珍珠表面保持持久耐看的重要因素。

In the elimination method of solving linear equations, pivot in an elimination step is a element with maximum ''.

在解线性方程组的消元法中，主元素指在某步消元时模最大的那个元素。

In the elimination method of solving linear equations, pivot in an elimination step is a element with maximummod.

在解线性方程组的消元法中，主元素指在某步消元时模最大的那个元素。

The fluorescent lamp includes a glass tube used as a fluorescent tube made of a glass material containing an emissive element.

荧光灯包括一个用作荧光管的玻璃管，它是由含有放射成分的玻璃材料制成的。

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。