1.
Analysis of microbial essential genes based on database of essential genes (DEG)
基于必需基因数据库的微生物必需基因的分析
2.
Identification of non-essential gp024 gene in Goatpox virus
山羊痘病毒非必需基因区gp024基因的鉴定
3.
Predicting Essential Genes Based on Artificial Neural Network;
基于人工神经网络的必需基因预测研究
4.
Developing ZCURVE 1.02 Computer Program for Prokaryotic Gene Identification and Analyzing Microbial Essential Genes;
原核生物基因识别程序ZCURVE 1.02的研发和微生物必需基因的分析
5.
CDKG1 is Required Pollen Wall Formation in Arabidopsis Thaliana
CDKG1是在拟南芥小孢子发生过程中参与小孢子初生外壁和花粉壁形成的必需基因
6.
nonessential region
非必需区[可指载体上不影响复制的基因区段]
7.
And there are essential genes for sperm formation on the Y chromosome.
Y染色体上存在精子形成所必需的基因。
8.
Effect of Essential Amino Acid Concentration on the Gene Expression of Casein α_(s1) in the Mammary Gland of Dairy Cow;
必需氨基酸浓度对奶牛乳腺酪蛋白α_（s1）基因表达的影响
9.
The method of calculating parameters that VCI and TCI require is proposed.
因此田间持水量是计算土壤相对湿度必需的一个基本参数。
10.
Identification of Nonessential Regions of Genomic DNA of Attenuated CPV Strain;
减毒羊痘病毒基因复制非必需片段的筛选与鉴定
11.
personnel working in the Customs who are required to carry firearms to discharge their duties;
海关因工作必需佩带枪支的人员；
12.
The Necessary Social Factors to Advance Market Economy;
论促进市场经济发展必需的社会因素
13.
People need basic necessities such as food, clothes and houses.
人们需要基本的必需品，如食物、衣服、房子。
14.
Studies on Requirements, Optimum Dietary Pattern and Digestibility of Essential Amino Acids for Chinese Taihe Chicken;
泰和乌鸡必需氨基酸需要量、模式及消化率研究
15.
Some people have criticized the use of the Basic Four because it does not insure that all nutrients necessary for good health will be eaten.
有些人批评四基础是因为它并不能保证对健康有益的所有必需营养素的摄人。
16.
Many C3 plants, meanwhile, have several of the genes needed for C4 photosynthesis, but do not use them in the same way.
同时许多c3植物都含有数种c4光合作用必需的基因，但利用方式均不相同。
17.
But Xiao found a way around that: He shrank the gene by removing nonessential segments, leaving only the DNA necessary for protein production.
肖找到了一种方法：他把根本无意义的片断除掉，使基因缩小，只留下生产蛋白质必需的DNA。
18.
The ensuing gene expression profile in the cleavage-stage embryo establishes totipotency and is required for further development.
随后卵裂时期胚胎的基因表达模式将建立一种全能性，这对进一步发育是必需的。