Pure elastic fracture is always rare, so th at under the action of stress, a plastic zone(large or small), and interactions between crack and dislocations always exist at the crack tip.

纯弹性断裂总是极少的，因之在加载应力作用下，裂纹顶端总是存在着或大或小的塑性区，存在着裂纹与位错的交互作用。

youdao

Then this paper used the zoning result to determine the rice GRP rate, the study shows that at 80% guarantee level, the pure rate of premium in highest risk zone is 7.

以此为基础对湖北省水稻区域产量保险纯费率进行厘定，得出在80%保障水平下，潜江，仙桃等高风险地区的水稻保险费率为7。

youdao

In this paper the morphology and properties cf the transition zone between the, boride zone and the matrix of pure iron, carbon steel, low alloy steel are studied.

研究了纯铁、碳钢及低合金钢的渗硼层与基休之间形成的过渡区的组织和性能。

youdao

In short, Steam trades are not always pure exchanges happening in some moral-free zone where social obligations are perceived to be non-existent.

FORBES: Virtual World Needs Laissez-faire Economists

The alternative idea that Cyprus could be spared this fate by a fiscal transfer or direct euro-zone recapitalization of its banks an idea encouraged by some southern euro-zone members was pure pure fantasy.

WSJ: Euro Zone Moving Into Twilight Zone