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This article introduced establishment and characteristics of Head control network of Nanjing No.4 Yangtze River Bridge, discussed about how to improve the accuracy, reliability and other index of Head control network of extra large bridge with present advanced surveying technology, which could afford some positive experiences to similar precise engineering survey projects.

本文对南京长江四桥首级施工控制网的建立及特点进行了介绍，对如何采用当前测绘新技术布测特大型桥梁首级控制网并提高其成果精度、可靠性等相关技术指标进行了探讨，对类似精密工程项目具有积极的借鉴意义。

According to the results of the examination, the stronger the electron-withdrawing protective group of imines, the better the cis-selectivity of the reaction, 68% yield, trans:cis is 99:1 diastereoselectivity could be leaded by Ts-imines (4-methyl-N-methylene-benzenesulfonaides) with a substituent [2,4-(CH3O)2C6H3], Substrate scope investigation revealed that a wide variety of ketenes and imines could react smoothly to afford corresponding,β-lactams.

实验结果表明，亚胺的保护基团吸电子能力越强，越有利于顺式产物的生成。对甲苯磺酰基保护的取代基为2，4-二甲氧苯基的亚胺参与的该反应可得到68%的产率，反式：顺式=99：1的非对映选择性。底物拓展过程中发现Staudinger反应适用于多种不同的亚胺与烯酮。

The research in this paper intends to combine homogenization method with finite element method, and to predict effective parameters and micromechanics of nonwoven C/C composites in microcosms. Some useful results acquired will afford instructions for optimal design of these composites.

本文运用近年来倍受关注的均匀化理论，结合有限元法，对非编织C／C复合材料的宏观等效性能进行了数值预报，对细观结构应力进行了数值模拟与分析，得到了一些对该材料优化设计具有一定指导意义的结果。

Enclosed verandahs are arranged around the building to afford visual access to the CBD area from within the building.

表皮开洞的大小与不同房间的采光需求有关。

But you have to really be able to afford truffles...

但是你得买得起松露才行

In the above, I will introduce several tattoo styles, now you on a number of tattoos matter of common sense, most people have tattoos just did not want to stop to enjoy themselves generally have a reason because of afraid of the pain caused by the fact tattoos pain is that anyone can afford(Except for some particularly sensitive parts of things: For example: the medial thigh, side ribs, tuck, this location several locations generally slightly hurt more than others) a good tattooists tattoo when the guests do not normally bleeding, tattoo machine operate only in the epidermis, even if the pain has been sharp object like a scratch a bit the feeling of leaving red marks, just the tattoo done there will be relief-like protuberances.

在上述为大家介绍了几种纹身风格，现在为大家讲解一些纹身的常识问题，大多人对纹身只止于欣赏而没有想自己也拥有一个的原因一般都是因为怕痛造成的，其实纹身的疼痛是任何人都可以承受的（除一些特别敏感的部位外：例如：大腿内侧，侧肋，掖下，这几处位置一般比其他位置稍疼些）好的纹身师在给客人做纹身时一般不会出血，纹身机只在表皮运作，即使疼也就像被锐物刮了一下留下红印的感觉，刚做完的纹身会有浮雕状的突起。

ABSTRACT: Objective To investigate the effects of felodipine on sclerotin metabolism of SD rats through intragastric administration and ascertain its effect on osteoporosis in order to afford animal experiment evidence for clinic.

目的 明确非洛地平灌胃对SD大鼠骨质代谢的作用，确定其对骨质疏松的影响，为临床用药提供直接的动物实验证据。

Then, it was condensed with-valine methyl ester to form a chiral imine, which was reacted with allyl zinc bromide in the presence of CeCl3·7H2O to afford the corresponding chiral homoallylic amine with high optical activity.

-N-Boc-3-苯基-2-氨基丙醛与-缬氨基酸甲酯缩合生成手性亚胺，在七水合三氯化铈（CeC13·7H2O）催化以及底物的手性诱导作用下，该手性亚胺与烯丙基溴化锌经不对称加成反应合成了高光活性的单烯丙基化手性胺。

The analyse method and conclusion to hot wind furnace economic velocity can afford some reference to the research of heat performance.

本文对热风炉流体经济流速的评价方法和推导结果，对于热风炉设计，热风炉的热工性能的研究提供了一定的参考，具有社会实用价值。

Pan-Pan-learning or training not as fine as learning or training in fine detail, just to "encounter" and "re-encounter," better results "reminds me" and "I understand that the" best "after the I also would like to afford "or" after I can repeat."

泛学习或泛训练不必象精学习或精训练那样仔细，只求&遇到&和&再遇到&，较好效果是&我想起了&和&我明白了&，最佳效果是&过后我还能想得起&或&过后我还能复述&。

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％。