Create a contract in which you're paid a certain sum if your income falls below a set level.
那就签订一项合约，规定如果你的收入低于预设水平，就能够得到一笔规定数额的补偿金。
However, WHO has not required a set level of severity as part of its criteria for declaring a pandemic.
但世卫组织并没有要求必须达到某种程度的严重性才能宣布已暴发大流行。
It turns out that the body has a set level of pH that it likes to function in. Just as we all have a normal body temperature, we also have a normal pH for our tissues.
我们的身体有一个能起功能作用的pH水平，这就像我们有正常的体温，我们的组织液也有一个正常的pH值。
Ab initio DFT/B3LYP calculations at 6—31G basis set level were carried out for the possible product radicals of guanine attacked by·OH.
采用密度泛函（DFT）理论中B3LYP方法在6—31G基组水平上对鸟嘌呤（G）受羟基自由基进攻形成的各种可能产物自由基进行几何全优化。
The gentle slope of the site means the entrance block is set level with the upper storey of the second block, while its base is sunken out of sight of the entrance.
该基地的缓坡意味着入口区域与第二体块的顶层在同一水平面，同时，它的底部在入口视线的下面。
Again, this is possible because SQL USES set-level processing and DB2 optimizes the query to determine the data-navigation logic.
同样，由于SQL使用集合级别的处理以及DB 2优化查询来确定数据导航逻辑，所以这是可能的。
Again, this is possible because SQL USES set-level processing and DB2 optimizes the query to determine the data-navigation logic.
同样，由于SQL使用集合级别的处理以及DB 2优化查询来确定数据导航逻辑，所以这是可能的。
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