The practical impact of this downgrade may not immediately change anything -u.s. Treasuries will still be desirable in an uncertain world.
美国信用降级的实际影响可能不会立刻改变什么——在这个不确定的世界里，美国国债依然有很大的吸引力。
The results are expected to have practical impact on the exit design and safety evacuation.
该模拟结果对于出口的设计和人员的安全疏散具有一定的指导意义。
Good chemical resistance. Designed for a balance of stiffness and practical impact strength.
刚性良好，抗撞击性良好，耐化学性良好。
Good chemical resistance. Designed for a balance of stiffness and practical impact strength.
刚性良好，抗撞击性良好，耐化学性良好。
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