Normal occlusion of porta hepatis can reduce blood loss effectively after liver resecting.

肝门正常闭塞可有效减少肝切除术后的失血。

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Children who have vision problems due to cataracts usually need surgery to prevent lasting vision loss and to ensure normal vision development.

存在由白内障所致视力问题的儿童常常须要手术来防止永久性视力丧失以及确保视力的正常发育。

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You do yourself a favor by accepting your feelings, saying instead, "I've just had a breakup." Feelings of loss are normal and natural.

为自己好，接受你的心情，改说：“我刚分手，失去的心情是正常而自然的。”

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Life seems to be back to normal. However,in the small coastal communities hit hard by the tsunami, signs of devastation and loss are everywhere.

VOA: standard.2009.10.05

But the groups who played the computer game showed a clear improvement compared with the normal loss of cognitive function as people age.

WSJ: When Computer Games May Keep the Brain Nimble

Lower temperatures help prevent the degradation of the media that leads to normal data loss so some in the discussion pointed out that burying the devices in the ground could extend their useful life.

FORBES: Will You Remember Me When I am Gone: The Persistent Danger of Data Loss

The intent of this warranty is to provide consumers with confidence that despite this normal battery capacity loss, they will be assured of a minimum level of capacity throughout the warranty period.

ENGADGET: Nissan upgrades US Leaf warranties, will 'restore' batteries that lose too much charge