During the study period, ST-elevation heart attacks declined by 62%, but the death rate among people who had these severe heart attacks did not drop.

研究期间，ST段抬高型心肌梗死下降62%，但是发生这些严重心肌梗死人们的死亡率没有下降。

youdao

The experimental results show that the embedded watermark is robust against the attacks such as frame drop, swap and collusion.

对于丢帧、帧重组以及共谋攻击有很强的鲁棒性。

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Those with my age children, their school under the flood attacks, also faces collapse, is about to drop out of school.

那些和我同龄的孩子们，他们的学校在这次洪水的袭击下，也面临垮塌，即将失学。

youdao

He referred to a drop in attacks on U.S. troops, on Iraqi civilians, and a reduction in sectarian violence.

NPR: Petraeus, Crocker Brief Congress on 'Surge'

O'HARA: Referendum day wasn't totally free of violence, but the senior military official quoted previously says there was a significant drop in attacks that lasted for several days.

NPR: Command and Control of the Iraq Insurgency

Now, two large studies suggest that communities that pass laws to curb secondhand smoke get a big payoff -- a drop in heart attacks.

CNN: Big drop in heart attacks after smoking bans, studies say