蒸馏操作是通过液相和气相间的（）来实现的。
参考答案：质量传递
For a given change in yields, the difference between the actual change in a bond's price and that predicted using the duration measure will be greater for:（）
A. a bond with greater convexity.
B. a short-term bond.
C. inverse convexity.
罗杰斯的理论属于认知心理学。
