查询词典 p. d.

By setting up mechanical model, the relationship of curve radius, jacking force and effect factors such as pipe diameter, length of pipe section, thickness of wooden piece, elasticity of material and the difference of jack displacement is investigated.

通过建立力学模型对曲线路线半径R、顶推力P和影响因素如管径D、管节长L、木垫片厚a、材料弹性模量E以及工具管油缸行程差等的关系进行推导。

F ~8 n- ' Over sixty per cent of families own a television.

百分之六十以上的家庭已拥有电视机。5 M4 \+ D' C： P。

In the model of DNFB-induced mouse ear edema, the inhibitory rate of edema of compound A at dose of 50mg/kg/d p. o. was 41%, the inhibitory rate of myeloperoxidase activity was 81% of compound A at the same dose.

化合物A灌胃给药50mg／kg／天可抑制DNFB诱导的小鼠迟发型变态反应，耳肿胀抑制率为41%，耳髓过氧化物酶抑制率为81％。

Yes, the country that for hundreds of years was best known for emigration, tragic poets, famines, civil wars and leprechauns today has a per capita G.D.P. higher than that of Germany, France and Britain.

这个国家数百年来人口外移是为人所知的---悲痛的诗人、饥荒、内战，如今这个小妖精每人国民所得高於德国、法国、英国。

Liu, D.Z., Liang, H.J., Chen, C.H., Su, C.H., Lee, T.H., Huang, C.T., Hou, W.C., Lin, S.Y., Zhong, W.B., Lin, P.J., Hung, L.F., Liang, Y.C.

陈清农、高炳煌、杨梅春、陈劲初(1999)，&台湾森林中的宝石樟芝&，乡间小路。

The thesis further pointed out that plan,structure and system power were equal important for the more coordinate development in Shanghai.The Systematic measurements through each side of P,R,E,D were discussed in details,and higher and comprehensive development level is the necessary basis for Shanghai PRED coordination.

论文进一步指出规划、结构、系统控制将是上海PRED协调的主要调控点，从人口、资源、环境与发展的不同角度，就整体与局部的主要关系提出了具体的对策，而发展是PRED走向协调的基石。

The enzymatic activity of cell homogenates was detected on substrate p-nitro-phenyl-α-D-mannopyranoside.

这表明6A8 cDNA编码的蛋白质的确是一种α-甘露糖苷酶，可能属于Ⅱ类α-甘露糖苷酶。

A Mondrian framework is proposed for exploring the essence of music. In 1920s, Dutch painter P. Mondrian proposed horizontals and verticals as the basic forms of beauty for painting. In 1960s, scientists D. H. Hubel and T. N. Wiesel discovered the corresponding cellular evidences for supporting Mondrian's proposition.

本文提出用蒙德里安架构来阐释音乐的本质。1920年代里，荷兰画家蒙德里安提议用水平线与垂直线作为绘画的基本形式美。1960年代里，科学家修伯尔与威瑟尔发现支持蒙德里安提议的相对细胞证据。

Listen, if you want an invitation to her party you'd better mind your P's and Q's.

如果你想得到她的派对的邀请函，最好注意一下你的言行。090724

You'd better mind your p's and q's if you want to be invited again!

如果你希望下次再被邀请，最好注意一下你的言行。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。