成双的

The study of nucleating agent concentrations indicates that different concentrations have different influences on glass devitrification degrees, crystal phase amounts and cystal sizes.

采用复合晶核剂可以达到双碱效应，其离子堆积密度好，可以促进玻璃体中的溶解，降低界面能，使成核活化能降低。

Let us consider the implication of the electrostatic theorem for chemical bonding in diatomic molecules.

让我们讨论双原子分子化学成键所蕴含的静电定理。

Short-wave /long-wave infrared dichroic beam splitters take an important role in two-band infrared imaging optical systems.

短波红外/长波红外分色片在红外双波段成像光学系统中起着重要的作用。

"Olefins may be classified by whether the double Bond is in a ring or a chain or by the number of double Bonds (monoolefin, diolefin, etc.)."

有两种分类方法︰一、分为环烯烃和非环烯烃，双键依次位于成环碳原子之间或开链基团的碳原子之间。

The study of the pronunciation of words.the contraction of two vowels into a diphthong.

把两个连续的元音或音节收缩或紧缩成一个双元音。

The contraction of two vowels into a diphthong.

把两个连续的元音或音节收缩或紧缩成一个双元音。

With perturbation shifting circumferentially step by step, the subsonic flows around slender bodies of revolution vary gradually in manner of single periodicity,while the supersonic flows vary gradually in manner of double periodicity.

由于临界周向位置的存在，随微小扰动沿周向逐渐移动，细长旋成体大攻角亚音速绕流呈现为"单周期、连续变化"规律，而超音速绕流则呈现为"双周期、连续变化"规律。

The three-dimensional supper resolution properties of a doublet are analyzed by the scalar theory of diffraction.

应用标量衍射理论分析了双胶合透镜的三维超分辨成像特性。

Insularis Trading Co., Ltd., Shenzhen was established in 2007, the company formerly known as Hong Kong, Shenzhen Office insularis company, the company address in Shenzhen Baoan District Longhua Town, Village Plum Villa cloth Minzhi long side of the road, is a trading and processing for the integrated enterprise, the main Kodak factory operators import double PE paper, yellow, Glassine Paper, Release Paper, special security thermal paper industry and various types of special paper.

深圳市小木贸易有限公司成立于2007年，公司前身为香港小木公司深圳办事处，公司地址在深圳市宝安区龙华镇民治村梅花山庄布龙公路旁，是集贸易和加工为一体的企业，主要经营柯达原厂进口双PE相纸，黄色格拉辛纸、离型纸、特种防伪热敏纸等各类工业和特殊用纸。

Including the Jacobi elliptic function, the hyperbolic function, the trigonometrical function and the rational function, the infinite sequence multi-skill new exact solution through several forms compound.

这里包括Jacobi椭圆函数、双曲函数、三角函数和有理函数，通过几种形式复合而成的无穷序列复合型新精确解。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！