Conclusion: the epidural space block anesthesia is superior to regular injection analgesia, and has a protective effect on cardiovascular system after operation, worthy of applying to clinic.

结论：硬膜外阻滞法镇痛效果优于常规注射法，且对术后病人的心血管系统有明显的保护作用，值得临床广泛应用。

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She cruised around the block looking for a parking space.

她绕着那个街区慢慢行驶，想找个停车的地方。

《牛津词典》

Carbon dioxide and methane in the atmosphere block the escape of heat into space.

大气中的二氧化碳和甲烷阻止热量向太空散发。

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Inside the hangarlike, cinder-block space, folding tables are piled with mountains of yarn, looming gear and books with titles like Knitting with Dog Hair.

FORBES: Days of Wine and Redwoods

Later this spring, officials said, a second smartphone app will debut, giving drivers and the city near real-time information about the probability of finding a parking space on each block.

WSJ: Parking App Helps Drivers Spot Spaces

Later this spring, officials said, a second smartphone app will make its debut, giving drivers and the city near-real-time information about the probability of finding a parking space on each block.

WSJ: City Unveils Parking App Pilot Program