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The hEFs derived from gonadal ridges and dorsal mesenteries of human embryos are successfully isolated and cultivated,and the cells express the cytokines essential for the growth of hEG in vitro.

成功地分离和培养了人胚胎生殖腺嵴和肠背系膜来源的成纤维细胞，证明其表达对于hEG体外生长起重要作用的细胞因子。

Methods The hEFs were isolated by enzyme digestion from gonadal ridges and dorsal mesenteries of 5- to 9- week old human embryos. The cells were then cultivated. The biologic characteristics (morphology, growth characteristics and cell cycle) of these cells were also studied.

利用酶消化法从孕5～9周龄人胚胎的生殖腺嵴和肠背系膜中分离培养hEFs，检测其生物学特性（细胞形态、细胞生长特点、细胞周期）。

However, in the course of urbanization and industrialization, construction land is outspreading with rapid economic growth, which makes cultivated land face a dilemma that it is used in city construction or agriculture.

然而，在快速城市化和工业化进程中，随着都市经济持续快速发展，建设用地不断向外扩张，使都市快速成长区的耕地面临着严峻考验，即是为城市建设所用还是为农业所用的两难选择。

Seen from the present grain production and economic development, national grain is structurally overabounded and at the low security level, with regional security and insecurity in coexistence. Besides, cultivated land resources , water resources and farmers' economic income are all not optimized.

从我国粮食生产状况与经济发展水平看，全国粮食生产处于结构性过剩与低水平安全中，区域性粮食安全与不安全并存；耕地资源、水资源以及农民的经济收入状况等均不容乐观，加之自然灾害加重，粮食生产的环境成本将随之增加，这将影响我国未来粮食安全。

When cultivated in pots, high N level (20mmol/L) made tall fescue overgrowing, decreased cold tolerance, and consequently degraded turf quality.

在盆钵砂培条件下，过高的N素水平（20mmol/L）将造成草坪草徒长，抗寒性降低，从而降低草坪质量。

Pansies can be cultivated easily in home gardens, but they require plenty of water and not too much sun.

所谓名词所有格即表示名词之间所有关系的特殊结构，其最普通的形式为： n。

Methods The mouse uterus of 1-3 days implantation embryos were separated, sheared and cultivated. Inner cell masses were dissociated and passaged in two days according to routine method of ES cells digesting and passaging.

分离小鼠胚胎着床初期1～3天（孕4.5～6.5天）小鼠子宫，剪碎后进行组织块培养，2天内分离内细胞团，以后按常规的胚胎干细胞培养及传代方法进行传代。

Methods: We have cultivated engineering cell line which perspired rhEPO without blood serum.

采用无血清培养分泌rhEPO工程细胞株，收集培养基上清，经过滤、染料亲和层析、离子交换层析、分子筛层析纯化。

Human lung cancer cells A549 and human embryonic lung cells MRC5 were cultivated with six regenerative substances of the cell. Then Cells' morphous and their growth were observed and photoed as a recording at different time points.

用6种细胞再生物质对人肺癌细胞A549和人正常胚胎肺细胞MRC5进行培养实验，在不同时间段内观察细胞的形态和生长状况，并拍照记录。

Therefore, leisurely eating habits should be cultivated, allowing for conversation and pleasantries at the same time

因此，应该培养从从容容地进餐的习惯，许可在进餐的同时谈笑风生。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。