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Structure analysis indicates that it crystallizes in triclinic, space group P1, a =9.554(3)A, b =10.4874(18) A, c =14.027(2) A,α=91.873(15)°,β=91.879(19)°,γ=92.86(2)°. The polymeric anion of [(CH3)4N]As3S5 consists of adjacent 1∞[AS3S5]- chains linked together into a 1∞ [As6S10]2- double chains through planar As2S2 rings . A relatively undistorted Ψ-AsS4 trigonal bipyramidal geometry is observed for the participating As atoms.

b=10.4874(18)，c=14.027(2)，α=91.873(15)°，β=91.879(19)°，γ=92.86(2)°。化合物[(CH_3)_4N]As_3S_5结构中聚合阴离子由邻近的~1_∞[As_3S_5]~-通过平面环As_2S_2连接形成~1_∞[As_6S_(10)]~(2-)链，这种链通过每第二个结构单元环状As_3S_3结构单元的As原子连接组成双链结构，其结构中可观察到赝三角锥配位的ψ-AsS_4。

Macromorphology of seeds and micromorphology of the seed-coat in 53 species and 5 varieties belonging to three genera (Smilax, Heterosmilax and Ripogonum) of Smilacaceae were observed under the light microscope and the scanning electron microscope. The seeds are spheroidal, hemispheroidal or trigonal-oblate in shape.

在光学显微镜和扫描电镜下对菝葜科Smilacaceae 3个属（菝葜属Smilax、肖菝葜属Heterosmilax和Ripogonum属）共53种5变种植物的种子形态及种皮微形态特征进行了研究。

The sonogram displayed enhanced meticulous echoes in liver paren chyma with one or more hypoechoic area,the edge was clear and trigonal,long or irregular.

声像图表现为回声增强细密的肝实质内，出现一或多个低回声区，边缘清楚，常为三角、长条或不规则状，少表现为类圆形。

However, if the trigonal control point and datum transformation model do not exist, the result of base station single point absolute location can be used as reference coordinate, the measured result of which can be geo_referenced to remote sensing image using some tiepoints on the basis of the first result above.

例如 ，在利用遥感影像分类时，需要在外业获取用于监督分类的训练样地或是分类结果精度检验样地的大地坐标信息；在进行稀有树种区域分布特征调查时，希望能在遥感影像上标识出每个树的具体位置；发现某河段发生污染时，很可能需要将它的精确位置以线或面的形式显示在其它矢量或栅格图层上。

The ESR parameters of 4g strongly indicate that Cu〓 in complex 4g has a trigonal-bipyramidal environment, that is to say, Cu〓 is coordinated to four tertiaty nitrogen atoms and one chloride anion.

为了探测模型化合物中Cu〓的配位情况和几何构型，采用相同的方法合成和表征了杂双核化合物4g，ESR研究结合质谱信息表明在杂双核化合物4g中，Cu〓是五配位的，即它与一个Cl〓和四个叔铵氮原子配位而处于三角双锥场中。

People in our home have so many ideas and the breed of rice dumplings is various,the stuffings consist rice,pork,cowpea,sweet jujube, and the form is also diversiform:hexagonal,trigonal,tetragonal e.g.

台州人吃粽子名堂挺多，不仅品种繁多，有米粽、肉粽、豇豆粽、蜜枣粽，形状则有六角粽、三角粽、四角粽等。

The second-order perturbation formulas of the g factors and hyperfine structure constants for the lowest Kramers doublet Γ〓 of a 3d〓 ion under various octahedral symmetries (cubic, tetragonal, trigonal and rhombic) are established.

在较统一的理论模型和计算方法上建立了在各种对称性（立方、四角、三角和斜方）的八面体晶场中3d〓离子最低Kramers双重态Γ〓的g和A因子的二阶微扰公式，其中包含了前人通常忽略的组态相互作用、共价效应以及低对称畸变对自旋哈密顿参量的贡献。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。