成双的

But expression of LT in the plant cytoplast had not reported. A subunit and B subunit from strongly nosogenetic bacilli K88ac+ was cloned respectively .We constructed two kinds of bivalent plant expression vectors.

本实验研究的目的是将从K88ac+强致病菌株中克隆的LTA、LTB基因，构建成两种双价植物高效表达载体，其中一种是将LTA、LTB基因单独构建到两个表达框。

Plating method test was used to examine its growth regulative activity on radishes of amphibrya and corns of dicotyledon.

将目标化合物用水配制成浓度分别为10ppm、50ppm和100ppm的溶液，采用平皿法测试目标化合物对单子叶植物玉米和双子叶植物萝卜的生长调节作用。

The concentration of the compound was prepared as 10, 50, 100 ppm using water. plating method test was used to examine its growth regulative activity on radishes of amphibrya and corns of dicotyledon.

将目标化合物用水配制成浓度分别为10 ppm、50 ppm和100 ppm的溶液，采用平皿法测试目标化合物对单子叶植物玉米和双子叶植物萝卜的生长调节作用。

Enzymatic activity assay of oxalate oxidase in transgenic tobacco plants indicated that the germ in gene from monocotyledon, could be expressed in dicotyledon tobacco plants that resu;ted in the formation of homopentameric protein with enzymatic activity correctly.

酶活性检测表明，源于单子叶植物小麦的germin基因能够在双子叶植物烟草中表达并正常装配成具有酶活性的同源五聚体蛋白。

Based on the theory of light propagation and diffraction characteristics of grating, the optical energy transfer of bi-grating imaging system is studied and the expression for the intensity of combined beams is given.

从光传播基本理论和光栅衍射性质出发，研究了双光栅成像效应中的光能量传递，得到了确定汇合级光强的表达式。

The tore equipment of Two-For-one Twisterfor Filament,which can wind different forms semifinished yarn into double- cone bobbin yarn.

本机用于将原不同形状丝还络成具有一定规格的双锥型筒丝，供各种国产及进口倍捻机丝用，本机是倍捻机及捻线机必备的前道配套设备。

Three syllables compound words very are many are become by this kind of compound state stem to a double syllable compound word union , therefore in the concrete structure , the language with , aspect and so on grammar also displays some new characteristics .

三音节复合词很多就是由这种中间状态的词根与一个双音节复合词结合而成，因此在具体结构，语法，语用等方面也表现出一些新的特点。

Additionally, the steel is susceptible to severe embrittlement when exposed at 475°C.

经过长时间的高温时效处理，原双相组织中不稳定的 d 相将完全分解成 s 相与 g 相。

Two triphase catalysts of comb-like polyether s supported by silicas were synthesized,and their catalytic behavior in the iodo-substitution,etherization and the addition reaction of dichlorocarbene to styrene were also studied.

以表面经偶联剂修饰的二氧化硅为载体，通过聚(β-氯乙基缩水甘油醚)和醇钠反应，合成了两种梳状聚醚三相转移催化剂，研究了它们在碘代、二氯卡宾对双键加成和混合醚制备反应中的催化活性。

Expression of hepatocyte markers such as ALB and CK18 was measured with immunohistochemistry. RESULTS: Cells in control group kept the long spindle shape, with shape agent as 4.5±1.0 and small size, proliferated quickly, submitted typical fibroblast whirlpool or flamboyancy growth. Five to seven branches were observed at the late culture period, no cell rounded, and the rate of dikaryocyte was less than 0.1%.

结果：未进行诱导的对照组细胞保持长梭型，形状因子4.5±1.0，面积较小，增生较快，呈典型成纤维细胞的漩涡状或火焰状生长，培养后期可见5~7个分支，无细胞变圆，双核细胞率小于0.1%，逐渐老化，颗粒增多。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！