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Five assemblage zones of smaller foraminifera are established and named as zone 1 to zone V ...

本文还分析了华北地区晚石炭世至早二叠世小有孔虫演化的5个阶段。

The present experimental study investigated the mechanism of the self-exciting thermo-acoustic oscillation and the forced thermo-acoustic oscillation.

通过实验，揭示了热声自激振动与热声强制振动现象发生的条件与机理，研究了热声发动机的关键部件——板叠的形状与材质对系统的起振温度的影响。

The fossiliferous Middle Carboniferous and Permian are well developed in the Deri′angma-Xiala section in the Yunzhug area, Xainza County, northern Tibet.

西藏北部申扎县永珠地区德日昂玛-下拉剖面中石炭系和二叠系地层发育完整，出露良好，化石丰富。该剖面中查果罗玛组碳酸盐岩地层和下拉组碳酸盐岩地层之间的碎屑岩夹灰岩地层，在沉积上表现为冰海相杂砾岩，在古生物化石面貌上表现为特提斯-冈瓦纳古生物群混生。

And by using the single square root operator for wavefield extrapolation and the windowed Fourier frame expansion and reconstruction of wavefield, a method for local angle domain common image gather is proposed, i.e.

提出的波动方程反射角度域共成像道集方法可为进一步的叠前偏移数据振幅随角度变化分析和偏移速度分析工作提供基础。

Some methods of generating anisotropic elastic constants for frac tured and microbeded rocks are discussed.

本文还讨论了一些用于产生裂隙和叠层介质的各向异性弹性常数的方法。

A composite beam is computed by the proposed method,and some verification from ANSYS is listed in the end.The results suggest that the method is feasible.The maximum frac...

通过叠合梁实例的计算，证明了该方法的简便性及可靠性，与ANSYS计算受力全过程中的纵筋应力计算值结果对比表明，两者的相对误差不超过5.5%。

And, the caves formed by the flowing lava are another interesting spot for the tourists, who can pick up one or two irregular fulgurite as souvenirs.

还有一种外观十分好看的"石塔"，高约二三米，这也是火山熔岩层层盘叠而成的。

Trinitrotriazidobenzene is less sensitive to impact and friction than mercury fulminate .

三硝基三叠氮苯的摩擦感度和冲击感度比雷汞低。

In 2002 the company developed and produced the "duplex-bit multi-layer circuit board pre-Permian point fusion machine BM-II" dedicated circuit board equipment, by the State Intellectual Property Office of the Chinese Patent Office granted patent approval.

2002年度公司开发生产的"双工位多层电路板预叠点熔合机BM-II"电路板专用设备，经国家知识产权局中国专利局核准授予专利证书。

I for Germany,"Simon Bennett" automatic door distributor in China; the Japanese import "Fuso" automatic door (translation door, curved door, folding door) Sichuan agent; Sino-German joint venture "·á" automatic door (translation door, revolving door, gas tight door medical, medical manual door) Chengdu agent.

我公司为德国"安耐特"自动门中国总代理；日本进口"扶桑"自动门（平移门、弧形门、拆叠门）四川地区总代理；中德合资"欧尼克"自动门（平移门、旋转门、气密式医用门、手动式医用门）成都地区总代理。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。