船坞开挖属深基坑开挖，是危险性较大的分项工程。
司机是特殊工种，职业危险性较大，容易发生交通事故。
The driver is a special type of work, occupational hazards are more prone to accidents.
结果表明上海市高知女性群体发生骨质疏松的危险性较大。
It is revealed that compared to normal women, the senior intellectual females are at greater risk of osteoporosis in Shanghai.
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