正的

The fluoride-vanish on the orthodontic treatment of enamel demineralization has significant inhibitory effect.......

氟保护漆对正畸治疗中的釉质脱矿有明显抑制作用。釉质脱矿；氟保护漆；正畸

Chemical deoxygenation shows that the ternary systems including Zeph, Triton X-100, OP and SDBS exhibit no or a little phosphorescence enhancement upon addition of Na〓SO〓 to the solutions and the surfactants without phenyl group give rise to greater phosphorescence enhancement.

试验了乙醇、正丙醇和正丁醇对非离子表面活性剂参与三元体系光谱的影响。

Three negative dichroic dyes of alkylaminoanthraquinone type were obtained in that 1,5-dichloroanthraquinone, 1,4,5,8-tetrachloroanthraquinone reacted with n-octylamine and n-nonylamine.

用1，5-二氯蒽醌、1，4，5，8-四氯蒽醌与正辛胺、正壬胺反应，合成了3个烷氨基蒽醌型负性的二色性染料。

Built up dimensional reference frame and vector equation of movement model of orthogonal turn-miling.

为了提高数控车铣的编程效率，论述了正交车铣运动的特征，同时通过对正交车铣运动过程的分析，建立了一个描述其运动的空间坐标系，从而建立了正交车铣运动模型的矢量方程。

The results indicate that the Sn on the catalyst is present in tetravalence, in alloy with platinum, and in divalence.

结果表明该催化剂中的锡主要有正四价锡、铂-锡合金和正二价锡。

After compensation of continuous motion of the platform and time difference between upslope and downslope signals for imaging, the moving target can be detected through displaced phase center antenna technology.

提出了一种利用三角波调制调频连续波进行地面高速运动目标检测的新方法，根据三角波调制调频连续波正、负调频导致动目标成像结果在径向反向移动的特点，通过对正、负调频信号分别成像，在补偿了载机平台的连续运动以及正、负调频信号之间的时间差对图像的影响后，将两幅图像通过偏置相位中心天线处理，检测出高速动目标。

MuMu lies on the sand lazily and suddenly sees an object floating on the ocean towards his island. MuMu runs over to welcome his new friend but a big wave comes at the same time and splashes all over him. When MuMu opens his eyes, he sees a yellow duckie sitting in front of his face

3D MuMu懒懒地趴在沙滩上时，突然有某个东西朝他的方向飘来，他想奔过去迎接，但一道大浪打来，几乎把他给淹盖了，MuMu害怕地张开双眼，只见一个黄色小鸭正正地坐在他眼前。。。

The direct displacement problem can be changed into solving a polynomial equation called the equivalent polynomial equation.

研究表明其正解问题最后可转化为一个高次多项式方程求解问题，称此方程为正解的等价多项式方程。

In the next chpater, chapter 4, topological analogue of Kolmogorov system in ergodic theory, namely uniform positive entropy u.

在第四章中，我们研究了测度Kolmogorov系统的拓扑对应：n-一致正熵系统（n≥2）和完全一致正熵系统。

A series of orthogonal finite element function is presented by group method and finite element method.

正交函数由于其相互正交使得计算量大大地减少，历来为人们所关注，在连续函数中有著名的调和函数，离散分析中有正弦变换和。。。

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！