What I think the mutual fund industry has turned into, largely, is a stock picking industry, not a portfolio diversification industry.
我认为,共同基金行业在很大程度上,已经演变成选股行业,而非投资组合多样化行业
A lot of music is made up of these two-four and four-four sorts of aggregates.
很多乐曲是由,这些二四拍和四四拍的小节组合而成的
So organs are made up of combinations of tissues where all the tissues are collections of cells that are doing some function, nervous tissue, muscular tissue, epithelial tissue, those are examples of tissues that form organs.
所以器官是由各种组织组合而成,所有的组织都是,具有某些功能的细胞集合,神经组织,肌肉组织,上皮组织,这些都是由组织构成器官的例子
There's not two bonds, that's one pi bond, and the reason is because it's 2 p orbitals coming together, and remember p orbitals have electron density above and below the axis, so when they come together, it kind of looks like one bonds, but essentially what we have here is one pi bond.
这不是两个键,这是一个π键,因为这是两个2p轨道组合而成的,记住p轨道在键轴之上,和键轴之下都有电子密度,当它们靠近时,这看着很像两个键,但本质上它是一个π键。
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