四体的

Then select the suitable and anastigmatic set to constitute a physical's four group of optical zoom lenses structure. Making use of the optical software excellent turn to reduce the aberration pass muster specification of requirement.

进而选择合适的透镜组组成一个实际的四群光学变焦结构，利用光学软体优化降低像差成份进而达到规格的需求。

The spiny anteater, an egg-laying mammal native to Australia and New Guinea, has a penis with four heads, but only two fit into the female at once.

针鼹是一种生活在澳大利亚和新几内亚的产卵哺乳动物，十分奇特的是，它的阴茎上有四个头，每次性行为时只能将其中两个头插入雌性体中

As soybean Glycine max (Linn Merril has archean tetraploid chromosomes(2n=40) and belongs to Leguminosae, it is one of the most important resource of plant oil and protein for human beings, many scientist have attached more importance to the genetic soybean.

大豆Glycine max(LinnMerril属豆科蝶形花亚科大豆属的古四倍体(2n=40)植物，是世界上植物油和植物蛋白最重要的来源之一。因此，科学家高度重视大豆的品种改良。

So, the abnormality of embryo sac was one of the factors that induce low seed setting percentage in autotetraploid rice.

从对13个品种的成熟胚囊育性调查的结果来看，同源四倍体水稻胚囊育性是影响其结实率的原因之一。

In order to have a better understanding about differences between these two kinds of coating and to estimate the shortage between homemade and imported coated inserts, a series of comparison experiments with the 1Cr18Ni9Ti austenitic stainless steel workpiece were carried out, using 4 types of inserts home and abroad.

为了探询国内与国际最先进涂层硬质合金刀具之间的差距和研究MT-TiCN与TiAlN涂层硬质合金刀具之间的性能差异，本文以四种涂层硬质合金刀具切削奥氏体不锈钢1Cr18Ni9Ti为实验，对此进行了较为深入的研究。

Shanghai is in an independent four-story building with each storey in different layout for different representation in design.

上海拥有独立的四层楼体，且每层都有不同的格局，因此在设计上也拥有了更大的发挥空间。

Such a gamete may be produced by tetraploid tissues, or it may be the result of faulty meiosis.

这样的配子可能是通过四倍体组织或者是错误的减数分裂产生的。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation.

从z-pin增韧复合材料层合板低速冲击实验出发，考虑了复合材料层合板在受低速冲击时的分层及基体开裂等四种损伤形式，引入适当的损伤判据，对T300/3234碳纤维树脂基复合材料层合板的低速冲击损伤过程进行有限元模拟。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation. By using appropriate failure criterion, the low-velocity impact damage of z-pin reinforced laminates can be identified.

从z-pin增韧复合材料层合板低速冲击实验出发，考虑了复合材料层合板在受低速冲击时的分层及基体开裂等四种损伤形式，引入适当的损伤判据，对T300/3234碳纤维树脂基复合材料层合板的低速冲击损伤过程进行有限元模拟。

It doesn't show that the type of implant is related with the proportion of subgingival microorganisms.

四种方法的联合应用对种植体周围组织的早期炎症有较好的治疗效果。

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％。