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Theoretical calculations show that the angular distribution of the forward and backward products is roughly symmetric for the title reaction.

理论计算的结果发现，这个反应体系的前向和后向的角分布基本是对称的。

The signals at m/z = 80 have been detected. The angular distribution is significantly forward respect to DMS.

目前已经侦测到m/z = 80的反应讯号，而且角分布明显地为前向散射。

On the basis of autocollimation principle,combining with grating interference principle, a new autocollimation interferometry method was put forward which can measure three-dimensional angular distortion.

以自准直原理基础，将光栅干涉原理引入，提出了一种能对船体三维变形测量的自准直干涉法。

In this thesis, angular velocity was put forward as the characteristics of launching disturbance based on the performance of launching vibration.

本文针对发射装置发射扰动的基本特征，提出采用角速率作为发射扰动特性的表征，并建立了利用陀螺仪测量发射装置发射扰动的测试系统。

The description methods of natural scenery was studied based on fractal, that is, recursive method, L-system method, IFS and IFS description method was put forward based on sine or cosine. This method overcomes angularity and consistency of recursive method, L-system method and IFS, and the variety of fractal sculpting consequence can be added and the basis for the later research and the application was provided.

对基于分形的描述自然景物方法，即递归洪、L-系统法、IFS法进行了分析研究，在此基础上，提出基于正余弦的IFS描述法，该方法克服了递归法、L-系统法、IFS法等描述方法的生硬性和一律性，增加了分形造型结果的多样性，为以后的深入研究和应用提供了依据。

Angulation front and rear must be balanced and adequate to give forward reach and rear drive.

前后肢的角度协调，有足够的角度，可以提供充分的前躯伸展性和后躯驱动力。

Angulation front and rear mustbe balanced and adequate to give forward reach and rear drive.

前后肢的角度协调，有足够的角度，可以提供充分的前躯伸展性和后躯驱动力。

The production technology and market for maleic anhydride are reviewed, and some advice about development of China's maleic anhydride industry is put forward.

分析了顺酐生产技术进展及国内外市场，提出了我国顺酐发展的建议。

Finally, promising application fields and expected development are predicted, some suggestions for research and development of anhydrous ethanol in China are also put forward.

最后，展望了无水乙醇制备的发展前景，同时对我国无水乙醇研究与开发提出了一些建议。

In view of the production situation and unfavourable conditions faced by china's aniline industry at present, recommandations for production and development of aniline in China are put forward.

针对目前中国苯胺的生产状况和面临的一些不利因素，提出了中国苯胺生产的发展建议。你知道它的英文吗？

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。