四体

This analysis is divided into three levels: 1 the words with Chinese flavor, such as the Chinese foods, and the theory of the Five Elements; 2 the non-standard English the mothers speak; and 3 the rhetorical devices which take on the Chinese features, such as the metaphorical vehicle: the Queen Mother of the Western Skies and symbolisms.

带有中国文化特色的词语，如中国食品，生肖理论，五行理论，2）小说中四位母亲的非标准英语，3）带有中国文化特色的修辞格：中国特色的喻体和象征手法，这三个语言层次上的中国特色在小说中所产生的文体效果进行分析。

The thermal decomposition and phase inversion processes of the gel precursors, crystal structure, phase stability against reduction and microscopic morphology of the sinters were studied by using TG/DTA, FTIR, XRD and SEM.

通过TG/DTA， FTIR， XRD， SEM和直流四引线法系统研究了凝胶前驱体的热分解及其相转化过程和烧结体的结构、相稳定性、微观形貌、电导率以及电输运机制。

Maize inbreds belonging to 3 maize heterotic groups including Reid, Tangsipingtou and compound germplasm were studied to determine the influence of genotypes, media and plant regulators on the embryo-derived calius induction and green plant regeneration. Immature embryos (1.0~2.0 mm) from selfed ears were harvested as explants. Callus could be induced from all the tested inbreds. However, plant regeneration was only obtained in 12 genotypes.

以Reid、唐四平头和其它种质等3个杂种优势类群共19份玉米自交系为试验材料，以玉米幼胚作为外植体，研究了基因型、培养基和激素对玉米幼胚愈伤组织的诱导及植株再生的影响，结果表明供试材料均能进行愈伤组织的诱导，但是仅有12个自交系能再生植株。N6和改良N6培养基有助于提高愈伤组织的质量及其生长速度。2，4-D在愈伤组织的诱导中起着关键性作用。

The quantities of the four populations propagule are 548±28/m〓, 102±12/m〓, 457± 34/m〓, and 449±34/m〓 respectively.

四种禾草种群当年产生的营养繁殖体的平均数量依次为羊草548±28个/m〓、冰草102±12个/m〓、大针茅457±34个/m〓、克氏针茅449±34个/m〓。

It is very difficult to breed a new variety, because the traditional breeding methods have been limited by resources quantity. Tetraploid Chinese cabbage has double germ plasms and high resistance, it can produce abundant resources that benefits breeding new varieties.

大白菜传统育种方法受到资源数量所限，品种选育难度持续增大，四倍体大白菜因基因型丰富、剂量高、抗性强、资源范围广，利于新优品种选育。

Cytoplasmic actin microfilament systems were localized in the freshly isolated onion protoplasts of bulb parenchyma cells using TRITC labelled phalloidin probe in the present study.

使用四甲基罗丹明标记的鬼笔环碱探针，以新分离的洋葱鳞茎薄壁细胞原生质体为材料，观察了细胞胞质肌动蛋白微丝骨架的结构与形态。

Adult rats were measured body weight and imaged by Micro-CT, then divide into four groups randomly; according to control, low dosage, medium doagse, high dosage. Each group was given aqueous solution of Paraquat via oral single dosage at 0mg/kg, 40mg/kg, 60mg /kg, 80mg/kg, respectively.In control group, the color and luster of the lung samples appeared normal and no petechia was observed.

成鼠先秤重及Micro-CT造影，再以随机方式分成控制、低剂量、中剂量、高剂量四组，依其组别给予单次不同剂量之巴拉刈水溶液，给药后每周进行两次秤重及Micro-CT造影，连续进行四周，并在每周造影后，每组随机牺牲一只成鼠，取出肺脏，进行检体及组织病理观察。

Three activated carbons having different surface areas, coconut-shell based, pelletized and bamboo-derived, were modified by mixing them with four thermoplastic precursors, poly, hydroxy propyl cellulose, citric acid, and fluorine-containing polyimide followed by heat treatment at 900℃ for 1h.

三种具有不同比表面积的活性炭—椰壳基AC-C、粒状AC-P和竹基AC-B分别与四种热塑性前驱体—聚乙烯醇，羟基丙基纤维素，柠檬酸，含氟聚酰亚氨混合后，在900℃热处理1h。

The title complexes both have the well-known α-Keggin structure, based on a central PO_4 (GeO_4) tetrahedron surrounded by 12 MoO_6 octahedra arrayed in four groups of three edge-shared MO_3O_(13) octahedra.

标题化合物具有大家熟悉的α-Keggin结构，中心由PO_4(GeO_4)四面体周围有12个MoO_6八面体分成四组排列，每三个共边组成Mo_3O_(13)簇。

Due to the demand of the large angle attitude control, the unit quaternion is used to describe the spacecraft attitude in this thesis.

针对飞行器以姿控发动机作为姿控执行机构时的大角度姿态运动需求，本文采用单位四元数作为弹体姿态描述，考虑到姿控发动机布局对姿态控制的影响，直接以姿控发动机推力作为系统的控制输入，利用反馈线性化方法，将原非线性系统转化为一个六阶线性子系统和一个一阶内动态子系统。

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。