孢子体的

In fact Cyatheaceae alias "Alsophila spinulosa,""tree fern", is a fern Cyatheaceae door for the dinosaurs left over from the period of rare and endangered plants, a "living fossil" known.

喜酸生土壤，常生长在山沟的潮湿坡地和溪边阳光充足的地方，常数十株或成百株构成优势群落。孢子体生长缓慢，生殖周期较长。

In angiosperms, a diploid embryo may develop from a cell of the nucellus or chalaza; this is also apospory.

在被子植物中。二倍体的胚胎可以从珠心或合点的细胞发育而来，这也可以被称为无孢子生殖。

The tapetum cells oftrisomic 7 and 10 showed abnormal phenomenon at meiosis,but trisomic 7 recovered normality at other periods.

而10号三体的绒毡层虽在四分体时期表现正常，但在小孢子时期又表现了异常，并且花粉全部败育。

Two culture methods, sterilized MS medium and garden soil medium, were comparatively studied for spore germination of Dryopteris varia, with the observation of its gametophyte development under light microscope.

应用无菌培养和常规泥土培养两种方法对变异鳞毛蕨孢子进行了比较研究，并在光学显微镜下观察了其配子体的发育过程。

The separation method of the transformants with GUS Gene in wheat stripe rust was studied.

探索小麦条锈菌夏孢子转GUS基因遗传转化体的分离方法。

Lower vascular plants having dichotomously branched sporophyte divided ''.

低等脉管植物，有二岐的孢子体，分裂为气芽和根茎。

The embryo thus represents the beginning of the new sporophytic generation.

胚代表新孢子体世代的开始。

Giemsa staining was used to observe the growth of C.andersoni,and transmission electron microscope was used to observe the developmental stages of C.andersoni.MTT assay was used to evaluate the toxicity of nitazoxanid and ginkgoic acids to HCT-8 cells.C.andersoni parasites growing in HCT-8 cells were treated with different concentrations of NTZ and GAs,and the copies of COWP gene were determined by Real-time PCR.

安氏隐孢子虫卵囊感染人结肠癌(HCT-8)细胞，Real-time PCR技术测定RPMI-1640培养液中分别加入不同浓度胎牛血清(fetal calf serum，FCS)、葡萄糖(glucose，GLU)、维生素C(ascorbic acid，ASC)、叶酸(folic acid，FOLIC)、泛酸钙(calcium pantothenate，CAPAN)和胰岛素(insulin，INSULIN)后虫体的增殖效果。

The base of the sporophyte in mosses and liverworts.

低等脉管植物，有二岐的孢子体，分裂为气芽和根茎。

This study served as a basic research for resistance breeding,a study of factors which infleunced the growth of myceliuni of Phytophthora sojae and its zoospores production was carried out basedon R25 of? sojae.

本文围绕抗病育种这一中心，以大豆疫霉根腐病病原菌25号生理小种，对影响其菌丝体生长和游动孢子产生的因子进行了研究。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。