用统计学方法分析其变动与杂交方式及种植季节的关系。
The relationship between the quantitative change and crossing ways, and the cropping seasons was analyzed by statistics.
这种类型的基因杂交方式既安全又可以一定程度地进行预见。
This type of natural gene exchange is safe and fairly predictable.
由不同的杂交方式所得到的第三代植株，其株高、穗位高、叶长、雌雄间隔期、穗上叶片数等性状表现不一致，存在较大的遗传变异。
Results showed different hybrid method had different effects for the plants, the variation degree were different to the same agronomic characters.
不过，“巴西农业研究公司”借用老式杂交方式研发一种使大豆能够在热带气候生长，能够在曝晒的塞拉多马托格罗索州和戈亚斯州崎岖不平的平原上生长。
But by old-fashioned crossbreeding, Embrapa worked out how to make it also grow in a tropical climate, on the rolling plains of Mato Grosso state and in Goiás on the baking cerrado.
流行的假说即没必要对基本生活方式进行改变：让世界变绿意味着花更大的精力到有机和杂交产品上。
The prevailing assumption is that a fundamental lifestyle change is unnecessary: being green means paying extra for organic produce and driving a hybrid.
水稻育种从常规育种到杂交育种方式的转变，大大提高了水稻的产量和质量。
Since rice breeding changed from the conventional to the hybrid, rice production and quality have been greatly increased.
提出一种用多层压电片和约束阻尼层在低控制电压下进行结构振动的杂交阻尼控制方式。
An active and passive hybrid damping control manner with lower voltage is proposed through both multiple piezoelectric patches and constrained damping layer for suppressing structural vibration.
结果表明，灌水方式明显影响杂交水稻的衰老。
The results showed that irrigation modes affected obviously the senescence of hybrid rice.
在免耕直播和免耕抛秧栽培方式下，对18个杂交中稻组合的生长发育特点、产量构成性状进行了分析。
Characteristics of growth, traits of yield components were analyzed for 18 hybrid mid-season rice combinations under no-tillage direct seeding and no-tillage throwing.
本文应用相关和通经系数分析方法，对两种杂交组合方式的小麦F1代农艺性状进行研究。
The paper studies main agricultural characteristics of F1 in two patterns of crossing combination by methods of coefficient correlation and path analysis.
目的探明不同耕作方式下杂交水稻根系特性及增产的机制。
To ascertain the root properties of hybrid rice and mechanism of increasing yield under different tillage system.
比较了在不同插秧量和行距配置方式下杂交稻和常规稻的产量及其构成因素。
A comparison of yield and its components between hybrid rice and conventional rice varieties was made with different seedling quantity and row spacing at transplanting.
人们对动物产品消费方式的改变、杂交改良以及生存环境的恶化都是造成畜禽遗传资源快速流失的原因。
The reason is probably that the changing of consuming domestic animal products, crossbreeding and the deterioration of their living conditions.
的生物学特点，实践上常采用不套袋杂交授粉技术，理论分析和间接检测结果证明这种杂交授粉方式的花粉污染率低于1% ，但到目前为止仍缺乏直接的检测证据。
Theoretical analysis and indirect detection indicated that the pollen contamination rate of this pollination technique was no higher than 1%. But there is no evidence from direct detection by now.
本试验以溧阳鸡为素材，测定了其早期生长发育规律、屠宰性能和肉品质、种鸡的繁殖性能和蛋品质，并开展了溧阳鸡杂交效果和饲养方式的研究。
The rule of growth, carcass traits, muscle quality, reproduction performance and eggs quality were studied on Liyang Chicken in this paper, the results were as follows: 1.
本试验以溧阳鸡为素材，测定了其早期生长发育规律、屠宰性能和肉品质、种鸡的繁殖性能和蛋品质，并开展了溧阳鸡杂交效果和饲养方式的研究。
The rule of growth, carcass traits, muscle quality, reproduction performance and eggs quality were studied on Liyang Chicken in this paper, the results were as follows: 1.
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