vertical return tube boiler 立式回焰锅炉
vertical return pin chain 立式往返针链
return-to-vertical type 斜转直型
vertical return
垂直返回
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The vertical axis (Y axis) is the compounded portfolio return and the horizontal axis (X axis) is portfolio risk as measured by the annual standard deviation of return.
FORBES: Basics of Asset Allocation (Part 2 of 2)
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