In mature embryo sac, the nucellar cap is composed of 2～7 layer of cells.

Food materials may be stored in a special tissue derived from the nucellus, called the perisperm.

营养物质可以贮藏于由珠心产生的一种特殊组织, 叫外胚乳.

Her nucle was a very fair sort of man.

她叔叔是个非常公道的人.

Result children injected with BCG polyose nuclear acid have a low incidence rate of asthma.

结果应用卡介菌多糖核酸注射的患儿哮喘发生率降低.

Objective observe the prevention function of asthma after BCG polyose nuclear acid reducing plasmodium vrvus infection.

目的观察卡介菌多糖核酸注射液以呼吸道台胞病毒感染后哮喘的预防作用.

Conclusion BCG polyose nuclear acid injection can reduce the incidence rate of plasmodium virus asthma.

结论卡介菌多糖核酸注射液能降低呼吸道合胞病毒感染后哮喘患病率.

A top Israeli general says Iran is capable of producing a nuclear bomb.

以色列一名高级军官说,伊朗有能力制造核弹.

However, specialists have no doubt the factory was built to produce a nuclear bomb.

然而, 专家们毫不怀疑建造这个工厂是用于制造核弹的.

On October 3 rd it announced that it would test a nuclear bomb.

10月3日,他宣布核武器试验.

With my own ears I clearly heard the heart beat of the nuclear bomb.

我亲耳清楚地听到原子弹的心脏的跳动.

Even a rudimentary nuclear bomb , say the spooks, might not be beyond the reach of terrorists.

甚至连核弹的原料, 一些不知名的人说, 也许恐怖组织已经掌握在手了.

If Iran develops a nuclear bomb, what measures will China take?

如果伊朗发展核武, 中方将采取哪些措施?

Perhaps it will suffice to mention the nuclear bomb.

也许只要提一下核弹就足以说明了.

And what will happen if his hands a nuclear bomb?

如果他这时候手里有一颗核弹头 呢 ?

But others explode with more energy than a nuclear bomb!

但有的火山,爆发时释出的能量比核子弹释出的还要多!

He adds that Russia opposes the expansion of the nuclear club.

他还说俄反对核武成员国的扩大.

The nuclear club is getting less exclusive by the day.

核俱乐部的门槛一天比一天低.

A mere 15 years after its founding, it had joined the elite nuclear club.

使得中国仅仅在建国15年之后跻身于“大国核俱乐部”.

Nuclear energy has been shown to be extremely dangerous.

核能已经证明是所有能源中最危险的一种.

Measuring technology of nuclear energy spectrum is the foundation of matter composition and radioactivity nuclear methods.

核能谱测量是进行物质成分分析和放射性检测的重要方法之一.

Brazil's constitution forbids the military use of nuclear energy.

巴西的宪法规定军队禁止使用核能.