EGR即废气再循环,其原理是使一部分()流回进气侧是用以抑制发动机内()排放量切实有效的方法。
参考答案:废气、Nox
石菖蒲具有的功效是()
A.解郁行气
B.清热止痛
C.活血散瘀
D.化湿和胃
E.止痛,催产
Kate Wilson, CFA, is a portfolio manager for wealthy individuals in a large international investment company. Which of Wilson's following statements is among the recommended procedures in compliance with the Standards of Professional Conduct relating to performance presentation()
A. When the company presents its performance, it should use uniform format for both retail and institutional clients.
B. When the company presents its historical performance, terminated accounts should be excluded.
C. Rather than a single representative account, the company presents performance of the weighted composite of portfolios with similar investment strategy, objective, or mandate.