F2的例句大全

And F2, factor of yield and plant carbohydrate and nitrogen nutrient.

F2，产量构成及植株碳、氮营养因子；

This issue was reviewed in F2 and FW population respectively.

该文首先就该问题对两向、四向杂交分离群体进行了综述。

The F2 generation of soybean was a generation with abundant genetic variations.

大豆F2代是遗传变异最丰富的世代。

And, the hydrogeological and engineering geological properties of F2 fault were studied fully.

并以此为基础，研究了F2断层带的水文地质、工程地质性质。

The bands of the same variety or F2 hybrid varied greatly in different development stages.

同一品种（系）或F2代，不同生育期的酶谱变化较大。

The difference of fiber qualities between F1 and F2 was not significant.

F2代与F1代相比，纤维品质基本相同，无显著差异；

F2 populations also presented normal segregation.

而F2出现了正常分离的带型。

Finally, a fuzzy neural network based on a particular F2 neuron is applied in fuzzy inference.

该文把一个由特殊的F2型神经元组成的神经网络用于模糊推理，发现该推理方法是Zadeh的CRI法的推广，且能满足假言推理。

In F2 generation, lines with habit of the early parent are more.

F2代分离类似极早熟亲本结荚习性的早熟材料多。

Effects of f2/ f1 frequency ratio on distortion product otoacoustic emissions

f2与f1比值对畸变产物耳声发射幅值的影响

After F2 mice had raising for 2-4 month.

经过2～4个月的正常饲养F2性周期有所恢复可见到大量精子。

Suggesting that rapid improvement in salinity tolerance is possible using high selection pressures in F2 population.

因而，在F2代选择改良棉花的耐盐性是可能的。

You will then need to press either the F2 or 'Del' key at boot time to enter the system BIOS, and change the boot order from there.

你需要在开机时按F12或者Del键进入系统的BIOS菜单，从那儿更改启动顺序。

Relative tillering ability, available spike, biomass, and grain yield of P1, P2, F1, and F2, 3 were used to study the genetic development of rice related to phosphorus efficiency with a quantitative genetic model.

利用数量遗传模型对P1、P2、F1、F2,3等4个世代的相对分蘖率、有效穗、生物产量及经济产量等性状进行了遗传分析。

The investigation shows that by certain filtering treatment of the local geomagnetic data, one can find a storm-time component similar to Dst. This component is also equivalent to Dst in the prediction of the F2 layer responses.

分析表明，局地地磁资料通过滤波处理是有可能分离出类似于D（st）的暴时分量的，它在予测F2层对地磁的响应方面与D（st）也是等效的。

The average heterosis of F2 over mid-parent based on population mean was-1.99% to 1.11% for all these traits. It suggests that little inbreeding depression exists for F2 and F3 seeds.

按群体平均数计算，这些性状F2的中亲优势仅为－1.99%～1.11%，这揭示出F2、F3近交衰退很少。

One strain of filamentous fungi possessing stronger resistance and accumulation abilities was screened from mine soil and numbered as phoma sp. F2. According to its characteristics of morphology being mainly the characteristics of pycnidium, it was identified as phoma fungi.

从矿区土壤筛选到一株对镉具有较强抗性和富集能力的丝状真菌，编号为F2，根据其形态主要是分生孢子器的特征鉴定为茎点霉菌。

Expression of Rhomboid Gene of Eimeria tenella F2 Strain in E. Coli

柔嫩艾美耳球虫F2杂交株Rhomboid基因在大肠杆菌中的表达

In the germplasm pool, some genes causing super-strength and high-yielding capacity might have been assembled, To keep assembling and maintaining these superior characteristics, complex synthetic crosses are adopted, Superior F2. F3 and F4 plants are selected.

我们采用了复式综合杂交，聚集和保持、控制超强度及产量基因的优良特性，选出优良的F2、F3，和F4植株。

the percentage of abdominal fat was measured in f2 population of recessive white × xianju chicken reference family by genotyping 26 microsatellite dna markers.

本研究测定了隐性白羽和仙居鸡参考家系F2代个体的腹脂率及26个微卫星标记，将不同基因型与腹脂率进行方差分析和多重比较。