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- Pollen grain germination and pollen tube growth were investigated in intergeneric crosses between Brassica species and O. 本文对诸葛菜和芸苔属属间杂交的花粉粒萌发和花粉管生长情况进行了研究。
- The pollen grain germinates on a special extension of the carpel, the stigma, and double fertilization results in a diploid zygote and triploid (usually) endosperm nucleus. 花粉粒在柱头上萌发，双受精导致双倍体的合子和三倍体的胚乳形成。
- When a pollen grain germinates, a pollen tube pushes its way out through an aperture in the pollen grain wall,and the nuclei migrate into the tube. 生殖细胞核分裂，形成两个仅由细胞核和细胞质构成的精子，其中一个将与卵受精，另一个则与极核融合形成胚乳核。
- Inhibiting Effect of GP Extracting Solution on Wheat Grain Germination GP浸提液对小麦籽粒发芽的抑制效应
- After the pollen grain germinates on the surface of the stigma, the vegetative nucleus migrates to the tip of the pollen tube.It is thought to regulate the growth and development of the pollen tube. 花粉粒在柱头表面发育后，其内的营养核向花粉管顶部移动，因此认为营养核具有调节生长和花粉管发育的作用。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- Although the pollen grains from hermaphrodite flowers have ca. 15.3 % viability when tested with FCR reaction, no pollen grain germinated in vitro. 台湾栾树雄花之花药为緃向开裂并释出双细胞花粉粒，经由膜翅目昆虫传粉。
- Temperature is most important for seed germination. 温度对种子的发芽至关重要。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- Effect of Several Extracting Solutions from Forest Plants on Wheat Grain Germination 几种林木浸提液对小麦籽粒发芽的影响
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
- Bad luck goes against the grain. 厄运总是令人讨厌的。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- Our grain output will be3.7 times that of1960. 我们的粮食产量将是1960年的3。7倍。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- A single grain of a cereal plant. 谷粒禾谷类作物的一个颗粒
- If the pollen is compatible (i.e. of the right type) then the pollen grains germinate, producing a pollen tube that grows down the style carrying the pollen nuclei to the ovule. 如果花粉是相容的（即类型匹配），则花粉粒萌发，产生一个花粉管，沿柱头向下生长，将花粉核转送到胚珠。
- There isn't a grain of truth in his statement. 他的声明里没有一点是真实的。
- The results are as follows: Pollen grains germinate soon after pollination. 2 sperms enter pollen tube, leaving vegetative nucleus，which degenerates in pollen soon. 结果表明，授粉后，花粉随即萌发，2个精子进入花粉管，营养核留在花粉粒内，不久解体。
- This machine crushes wheat grain to make flour. 这台机器把麦子磨成面粉。
