The basic properties of sintered powder materials in plastic deformation are explained. Some defects in present yield criteria of the materials are analysed.

阐述了粉末烧结材料塑性变形的基本性质，分析了粉末烧结材料现有屈服条件中存在的问题。

youdao

The present yield spread over Treasuries is also below average.

FORBES: Are "High" Yield Bonds At Only 7% Worth The Risk?

Some may argue that the present, wider high yield spread is a function of the low Treasury yields, but historically there has been little correlation between the spread-versus-Treasuries and nominal Treasury yields.

FORBES: Are Credit Measures Worse Now Than At The Start Of Last Recession?

At present, most high-yield companies are covering their interest, as evidenced by the U.S. default rate.

FORBES: High-Yield For Low Growth