查询词典 vegetative layer

The nucleus vegetative in nature derived from unequal or equal division of the uninucleate pollen in rye anthers cultured in vitro develops into pollen embryoids or calli.The green haploid plantlets are differentiated successfully.

离体培养黑麦花药，单核花粉可以通过不等分裂和均等分裂由营养性质的核发育成花粉胚状体或愈伤组织，并且最后形成了单倍体植株。

Fanned by a constant updraught of ventilation between the kitchen and the chimneyflue, ignition was communicated from the faggots of precombustible fuel to polyhedral masses of bituminous coal, containing in compressed mineral form the foliated fossilised decidua of primeval forests which had in turn derived their vegetative existence from the sun, primal source of heat, transmitted through omnipresent luminiferous diathermanous ether.

这种煤炭含有原始森林的落叶堆积后凝缩而成的矿物状化石；森林之发育生长靠的是热源--太阳，而热又是由那普遍存在、传光并透热的能媒传导的。

The rational soul, which is one with the sensitive and vegetative principle, is the form of the body.

合理的灵魂，这是一个敏感和植被的原则，是形式的机构。

All of their seed products and most of their vegetative products go through their own distribution-to-grower business.

他们所有的种子产品和大多数蔬菜产品都是通过自己的经销部门直接销售给种植者的。

There are four common kinds of artificial vegetative propagation.

人工繁殖的常用方法有4种。

Vegetative propapation of nut has been successfully practised for over 2,000 years.

坚果的无性繁殖已被成功地应用了2000多年。

Vegetative propagation of nuts has been successfully practised for over 2, 000 years

坚果的无性繁殖已被成功地应用了2000多年。

As they are starving, their energy levels are considerably lower than those of vegetative cells.

因为他们正在挨饿，他们的能量水平大大低于那些无性细胞。

This discovery may have enormous impacts on the treatment and care of vegetative patients.

这项发现可能会对植物人的医疗与照护，产生巨大的影响。

A major portion of the soil organic matter is derived from the added and residual vegetative material .

加进去的和残留下来的植物物质则是土壤有机质的主要来源。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。