Gears are manufactured from a wide variety of materials, both metallic as well as nonmetallic.

The central region has abundant energy, multi-metal and nonmetallic mineral resources.

中部地区拥有丰富的能源 、 多种金属和非金属矿产资源.

The appearance of the nonmetallic compound pipeline has out a efficient path for the problem settling.

非金属复合管道的出现,为解决这一课题找到了一条有效途径.

Even nonmetallic materials are dangerous to touch at these low temperatures.

在这种低温下,甚至接触非金属材料也是危险的.

A nonmetallic element as arsenic , that has some of the chemical properties of a metal.

关于或是含有一些金属特征的非金属元素的.

The tuff is a kind of predictable and new-type nonmetallic minerals resource.

凝灰岩是一种可预见的新型非金属矿产资源.

Most metallic and some nonmetallic elements will emit characteristic radiations.

大多数金属和某些非金属元素都会发出特征的射线.

Ceramics are crystalline compounds combining metallic and nonmetallic elements.

陶瓷是由金属和非金属元素结合而成的水晶混合物.

The technique of electroplating electric-brush overcomed the shortcomings of traditional electroplating of nonmetallic material.

电刷镀技术克服了传统非金属材料电镀的缺点.

In the third chapter, nonmonotonic trust region algorithms for nonlinear constrained optimization are discussed.

第三章讨论了非线性约束优化的非单调信赖域算法.

A nonmonotonic criterion is also used to speed up the convergence.

同时算法采用非单调的技术来加速算法的收敛效果.

Our large nonnative population.

我们的大量非本地人口.

Remember, the number from any category can be any nonnegative integer ( 0, one, or many ).

来自任意的“种类”的题目数目可能任何非负数 ( 0或更多 ).

The potential idempotence of nonnegative sign pattern matrix is described.

刻划了非负符号模式矩阵的强迫(蕴含)幂等性.

All nonnegative energies are allowed.

所有非负能量都是允许的.

We discuss the problem of portfolio investment with risk minimization subject to nonnegative investment proportional coefficient.

研究非负投资比例系数约束条件下,实现风险最小化的组合证券投资问题.

Every nonnegative real number has a square root in R, and no negative number does.

所有非负实数的平方根属于R, 但这对负数不成立.

The special matrices included inverse M-matrices, inverse Z-matrices, tridiagonal matrices and nonnegative irreducible matrices.

其中重要的有特殊矩阵Z - 矩阵 、 逆M - 矩阵 、 三对角矩阵、非负不可约矩阵等.

If check is sent , It'should be crossed and made nonnegotiable.

如果开一张支票, 那张支票必须画线,使其不能流通.

But the page turn moment still a bizarre, black-white-black flashing sequence-a nonnegotiable characteristic of E Ink.

但翻页的时候依然存在诡异的 黑白 闪烁过程 —— 这是电子墨水无法避免的特性.

The slots can be parallel or nonparallel.

凹槽平行或不平行.