查询词典 hand-pollination

Rubber tree is the perennial cross-pollination tree, and the efficiency of selection and breeding is restricted by its long breeding cycle.

由于橡胶树是多年生异花授粉乔木，育种周期长，选育种效率受到很大的限制。

Cross-pollination will slowly reduce the quality of my corn. If I am to grow good corn, I must help my neighbors grow good corn....

经由交叉授粉（ cross-pollination ）的过程，你也可能成为第一位培育出独特新品种植物的人。。。。

The only real consensus view expressed at the AEA meeting was that economics is in for a difficult, yet potentially very fruitful period of questioning and cross-pollination.

在美国经济学会上达成的唯一一个真正的共识就是，如今的经济学正处在一个困难，但却可能是在质疑和借鉴中产生丰富成果的时期。

There has to be the cross-pollination that can only occur within a company that understands the issues facing application designers, the issues facing IC designers and issues regarding the fab.

因为异花授粉的工作只有当一个公司同时懂得应用设计师面临的问题，IC设计师面临的问题，以及晶圆厂涉及的问题时才可能做得到。

The pollination vectors of Cycas elongata were studied using exclusive method and introduction insects.

利用排除法和引入昆虫的方法相结合，研究越南篦齿苏铁的传粉媒介。

On the basis of reviewing the resource status of Cycas guizhouensis in Guizhou province,the reproductive biology of this species including female/male ratio,pollination mechanism,characteristics and germination of seed,seed dispersal and natural regeneration ability were described.

在对贵州苏铁的分布及资源现状作出评述的前提下，从其植株的雌雄比及其传粉机制，种子的特征及其萌发与生长，种子的传播与其自然更新能力等方面，论述了贵州苏铁的生殖生物学特性。

Its embryo sac matures about 45 d after pollination.

在培养后期，外源激素对胚囊发育的影响很大。

Such as pollination and fertilization, endosperm development and embryogeny, development of pericarp and testa have been investigated with the light microscope.

应用光学显微镜对女贞的传粉和受精、胚乳和胚胎的发育、果皮和种皮的发育等胚胎学特征进行了研究，对木犀科六属的胚胎学特征进行了比较。

Entomophily Pollination by insects.

虫媒：是植物通过昆虫进行传粉授粉的一种方式。

The experimental results showed that the absence of effective pollination in wild peonies under natural conditions, especially between different populations, was an important cause for the declining of seed adaptability, and that seed epicotyl dormancy is an important intrinsic factor in its sexual cycle which aggravated the scarcity of wild peony seedlings and populations in nature.

实验证明：在自然状态下野生牡丹缺乏充分的传粉，特别是居群间的传粉不足，导致其种子质量低下；而野生牡丹种子特殊的萌发特性，特别是严格的上胚轴休眠，则是导致其出苗率极低及自然状态下幼苗和种群稀少的重要内因。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"