脊索是双边对称的，三叶裂的，分段的腔壁。
Chordates are bilaterally symmetrical, triploblastic, segmented coelomates.
利用智利的天文望远镜，天文学家测量了三裂星云中气体的多普勒频移和速度。
By using telescopes in Chile, the astronomers measured Doppler shifts and thus velocities of gas in the Trifid.
日本的天文学家说，最知名星云之一的人马座三裂星云，它的壮丽景观可正是由两朵气体和尘埃云的碰撞造成的。
Astronomers in Japan say one of the best-known nebulae-the Trifid, in the constellation sagittarius-owes its splendor to a smashup between two clouds of gas and dust.
三名美国科学家因为发现了能在细胞分裂时防止染色体散裂的“保护帽”而赢得今年诺贝尔医学奖。
The discovery of a "protective cap" that prevents chromosomes from falling apart when cells divide has earned three American researchers this year's Nobel prize in medicine.
鸟是在食物盒里下的第一，第三和第四个蛋所以它们没有被打破。要是第二个蛋没裂就好了！
The birds laid the first, third and fourth eggs in the seed box so they didn't break. It would be good if the second egg didn't break!
水力劈裂过程只有弹性变形和脆性破坏，不存在裂隙压裂过程中的第三种变形机理—压缩破坏。
There are only elastic deformation and brittle deformation on the process of hydraulic fracturing, and not compaction.
有些星云是由反射星云和发射星云结合在一起的，例如三裂星云。
Some nebulae are made up of both reflection and emission components such as the Trifid Nebula.
第十，我们看到一个片段的三裂星云的恒星摇篮到9000光年。
Tenth, we see a fragment of the Trifid Nebula, a stellar cradle to 9000 light-years.
他没有见到任何裂沟，也没有听到任何关于气体的说法，于是便发表了一篇深具影响力的论文，其中他提出三项批评。
He failed to see any chasm or to hear reports of any gases, and he published an influential article in which he made three critical claims.
方法：对202例脑挫裂伤病人进行三个阶段的前瞻性研究。
Methods: Using prospective studies research three stages with 202 brain contusion and laceration patients.
在经过高应力三角形波实验的软回收样品上，发现了两个层裂面。
Two spall planes were observed in the soft recovered sample for the high stress triangular wave experiment.
蓝光和白光下培养的三裂叶野葛毛状根的表面呈淡绿色，而暗培养的三裂叶野葛毛状根呈淡红褐色或白色。
When cultured in the white light and blue light, the hairy roots of P. phaseoloides looked light green, but white or light red-brown in the dark.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
应用该体系对三裂叶豚草进行了风险评估，得出其风险值为83，属高度危险的检疫性有害生物。
According to this system, the risk value for giant ragweed was 83 and it was considered as a quarantine pest with high risk.
应用外推法得到应力强度因子及裂尖周围的应力三维度。
Also, the extrapolation method is used to obtain the SIF and stress triaxiality around the tip cracks.
巨大的地震将耶路撒冷裂为三段。
And a Great earthquake strikes splitting Jerusalem into three parts.
油气层水力压裂时，所产生的裂缝将在长、宽、高三方向同时延伸。
The fracture created in reservoirs by hydraulic fracturing will propagate in three directions of length, width and height.
尽管“勇敢者”博莱斯瓦夫三世对统一波兰厥功甚伟，但亦正是他去世导致的争储内讧，令整个国家四分五裂。
It was Boleslaw III Wrymouth that unified Poland and it was he that was to divide it on his death bed among his sons.
从三峡花岗岩常规三轴实验出发，通过研究裂纹应变的变化规律，得到不同围压下花岗岩的起裂应力。
Based on the conventional triaxial compression test of Three Gorges granites, the crack initiation stress under different confining pressures can be obtained by studying the crack strain curves.
鹅肾表面被较深的裂分成前中后三群肾叶。
The goose kidney is divided into many renal lobes by the surface deep fissures.
受雨淞为害的毛竹出现折裂、倒伏和弯曲变形三种情况。
Phyllostachys pubescens harmed by glazed frost shows breaking, lodging and winding.
CTOA的测定是通过高速摄影技术，建立裂尖裂纹断面与自由表面的三维关系模型。
CTOA is measured with the built three dimension function model of crack profile of the crack top and free profile through the high-speed photo technology.
文中提出了利用“三个相结合”进行深层低渗油藏压裂选井优化的科学方法。
The paper put for ward to using "the combination of three ways " to make optimum for fracturing and electing well in deep-seated low permeable reservoir.
本方法可以确定三维滑裂面形状和安全系数，同时可研究滑坡的宽度效应。
The method given in the paper can be used to determine the sliding surface shape and the safety factor, and enables one to study width effects of the sliding collapse.
在此模型中，裂尖的三维约束状态显著影响超载塑性区，从而显著影响裂纹的闭合和扩展速率。
In this model, the plastic zone induced by the overload is affected by the three-dimensional constraints, and it leads to significant influence on the crack closure and growth rate.
他预计，到明年底，可能会有多达三分之一的水力压裂服务公司破产。
He says as many as a third of the fracking companies could go bust by the end of next year.
他预计，到明年底，可能会有多达三分之一的水力压裂服务公司破产。
He says as many as a third of the fracking companies could go bust by the end of next year.
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