Charlson had been puzzling over what unknown particles provide the nuclei on which moisture condenses, forming clouds.
Charlson一直对给空气中的湿气冷凝成云提供凝结核的未知粒子存有疑惑。
What we're going to do in forming a molecule is just bring these two orbitals close together such that now we have their nucleus, the two nuclei, at a distance apart that's equal to the bond length.
我们在形成一个分子时要做的就是，把这两个轨道放到一起，这样我们有他们的原子核，两个原子核，它们之间的距离为键长。
Polar nuclei The, usually two, haploid nuclei found midway along the EMBRYOSAC, forming a binucleate central cell. They may fuse to form the diploid definitive nucleus.
通常指两个位于胚囊中间的单倍体核，他们可能融合形成一个二核的中央细胞。
The sub clusters make nuclein structure have strict arrange sequence through thermonuclear reaction in the course of forming atomic nuclei;
二是形成原子核时群子通过热核聚合反应过程使核素结构有严格的排列顺序；
The sub clusters make nuclein structure have strict arrange sequence through thermonuclear reaction in the course of forming atomic nuclei;
二是形成原子核时群子通过热核聚合反应过程使核素结构有严格的排列顺序；
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