铅的

Partial Differential Equations and Complex Analysis explores the background and plumbs the depths of this symbiosis.

偏微分方程和复分析探索这种共生的背景和铅锤最深处。

Lead is one of the softer metals.

铅是硬度较低的金属之一。

Lead is one of the softer metals.

铅是一种较软的金属。

With the concern of environmental protection and made a lot of efforts to develop Lead-Free solders.

伴随着对环保的关注并且努力发展无铅焊料。

It is urgent to realize mechanicalcharacterization and constitutive properties of lead-free solders.

因此，迫切需要准确理解无铅焊料的力学响应和本构行为。

The equipment includes trowels, tape measures, plumb bobs, string, compasses, levels and a one-meter grid.

这套装备包括手铲、卷尺、铅锤、绳子、罗盘、水准仪、一米规格的地图坐标方格纸。

The use of lead vats in cider-making was a dangerous practice that led to much sickness and many deaths.

在酿造苹果酒中使用铅桶是很危险的，导致了许多种疾病和许多人死亡。

The damping property of piezoelectric IIR filled with PZT piezoelectric ceramic powder and acetylene black was investigated.

探讨填充锆钛酸铅压电陶瓷粉和乙炔炭黑的压电IIR阻尼性能。

In a strict definition, metal refers only to an iron, gold, aluminum, and lead.

在一个严格的定义只是指金属铁，金，铝，铅。

Similarly, oxygen enhances the combustion process in industries that manufacture glass, aluminum, copper, gold, lead, and cement or that are involved in waste incineration or remediation.

同样地，氧在许多工业中促进燃烧过程，这些工业包括玻璃、铝、铜、金、铅和水泥或者同垃圾焚化或回收相关的工业。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。