三体的

Systematic studies on metarmorphism and geochemistry of the Proterozoic basements in Central Yunnan in the conjun...

滇中地区位于扬子、华夏和印支三大块体的结合部位。

We also analysed the SCs of 30 spermatocytes at pachytenes, showing 20 autosomal bivalents, a quadrivalent 11; 18 and a sexual bivalent.

病例4为受孕浪费、生育过一例具有21三体特征患儿的患者，体细胞染色体分析表明，其核型为45，XY，-21，-21，+rob（21q；21q）。

This paper describes methods and techniques for 3D modeling and visualization for stratified geological objects.

文中探讨了层状地质体的三维模拟与可视化方法和技术。

Then, the permeability tensor theory is utilized to calculate permeability tensor value of each measured chamber section in order to obtain crack medium three-dimension permeability tensor field.

针对裂隙岩体的非均质性、各向异性特点，本次毕业设计对紫坪铺水利枢纽工程地下洞室开挖后洞壁裂隙结构面进行了几何参数测量和分组，再利用渗透张量理论计算各测量洞段渗透张量值，获得裂隙介质三维渗透张量场。

The synthesis method of TDI trimer modified by butan-1-ol was introduced.

介绍了正丁醇改性TDI三聚体的合成方法，采用红外光谱、热重分析和二甲苯容忍度测定等方法对其结构和性能进行了初步研究。

For investigating the linkage group to which the semidwarf gene sd-t belongs,the crosses between Aitaiyin 2(ATY2),a variety of sd-t carrier in indica rice,and marker stocks as well as the trisomic lines of IR36 were made.

以籼型标志基因系和IR36三体为工具材料，通过杂交研究了籼稻矮秆材料矮泰引-2所携半矮秆基因sd-t在染色体上的位置。

For investigating the linkage group to which the semidwarf gene sdn belongs, the cross between Yizhi\|lashuangai, a material of sdn carrier of Indica rice, and marker stocks as well as the trisomic lines of IR36 were made.

以籼型标志基因系和IR3 6三体为工具材料，通过杂交研究籼稻矮秆材料一枝腊双矮所携半矮秆基因sdn在染色体上的位置。

The ultrasound prenatal screening of trisomy 18 has important clinical value.

产前超声筛查对诊断18三体综合征具有重要的临床意义。

This is no feature of trisomy 21,though some Down syndrome fetuses may not have detectable abnormality on routine scam.

这不是21三体综合征的特点，尽管有些唐氏综合征胎儿可能不会对日常检出异常。

Trisomy 21 is the existence of the third copy of the

但是为了不引起混乱，将第21对与第22对的名称对调，现在继续沿用"第21对染色体三体变异"这一名称。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。