The materials property testing results indicated that LFPHS had good performance in anti-cracking, and the less heavy metal leaching quantity comparing with level V according to Chinese GB3828-88.

性能测试研究表明，石灰粉煤灰稳定磷渣具有很好的抗裂性，其重金属溶出量达到国标GB3828-88 V级标准。

youdao

This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.

在近简并的封闭三能级V系统中，一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。

youdao

The team used simulation tools to show it was possible to achieve over-land flight by dramatically lowering the level of sonic booms through the use of an "inverted-V" engine-under wing configuration.

这个团队在其所设计的飞机模型中在引擎上方使用了一个“倒V字型”的结构，他们通过模拟工具展示了通过这个结构可戏剧性地减少音爆导致的噪声成为一种可能。

youdao

It says H.I.V.-related deaths appear to have reached their highest level in two thousand four.

VOA: special.2009.12.08

Meghan is an accomplished consultant and has helped hundreds of individuals in all levels in the organization (V, C level executives, mid-career, mid-level managers, software architects and recent college graduates) and across generations (Gen Y to baby boomers), develop effective career strategies that propel them to achieve personal and professional career success.

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