1.
Study on Distant Cross Generations F1 and F2 by Distant Hybridization between Tobacco and Medicinal Plants;
烟草与药用植物科间杂种后代（F1、F2）的研究
2.
They determined that F2 hybrids slightly outgrew the F1 hybrids.
他们认为杂种后F2代生长量稍大于F1代杂种。
3.
Study on the Relationship between Dermatophagoides and Atopic Dermatitis and cDNA Cloning of Major Allergen Ermatophagoides Farinae (Der f1 and Der f2);
异位性皮炎与尘螨相关性及粉尘螨变应原Der f1和Der f2的cNDA克隆
4.
Study of Molecular Characteristics of Glycosylation and Non-Glycosylation Aspergillus fumigatus Allergen 2;
Asp f2变应原的分子生物学研究
5.
Analyse of the Number of Character of Fructification of Tomato Whth ISSR on Base of Expand of the F_2 Tomato (Lycopersicon Esculentum);
基于扩繁F2的番茄结果数的ISSR分析
6.
Mapping QTLs Associated with Resistance to Scab Using an "Immortalized F_2" Population;
利用“永久F2”群体定位抗赤霉病QTL
7.
A Statistical Study of the Ionospheric Bottomside Profile Parameters;
电离层F2层剖面参数的统计分析研究
8.
Research Progress in New Protein PB1-F2 of Influenza Virus Type A
A型流感病毒新蛋白PB1-F2的研究进展
9.
Let us now consider the damper attached to the mass of FigureF2.
现在我们考虑连在图F2的质量上的制动器。
10.
The Lunar Atmospheric Tide and It Effects on the Ionospheric Es-layer and F2 Layer;
大气太阴潮汐及其对电离层Es层和F2层的影响
11.
Study on Surrounding Rock Control Technology of North Eight Entry Through F2 Big Fault in Taoyuan Mine;
桃园矿北八大巷过F2大断层围岩控制技术研究
12.
Melon F2 Populations Traits Analyse and Genetic Map Primers Selected
甜瓜F2群体性状分析及遗传图谱引物筛选
13.
Preliminary Study on Antibiotic Activity of the Extract From Antarctic Actinomycete NJ-F2
南极放线菌NJ-F2萃取物的抗菌活性初步研究
14.
The application of TSP203 advanced geological predication about f2-1 watery fault of the Jiaozhouwan subsea tunnel
TSP203预报胶州湾海底隧道f2-1含水断层的实践
15.
Evolution Analysis of the PB1-F2 Genes of Influenza A Viruses Isolated from China
A型流感病毒中国分离株PB1-F2基因进化分析
16.
Indy cars are simiar to F1 cars.
印地赛车F1赛车非常相似。
17.
A major barrier to interspecific hybridization is sterility in the F1 progeny.
种间杂交的主要障碍是F1代的不育性。
18.
Study on the Characteristcs in Venison of Hybrid F1 Deer;
花·马杂交F1鹿肉的品质特性研究