半数的美国高血压患者仍然没有做到使他们的血压达标。
Half of Americans with high blood pressure still aren't doing what it takes to get their blood pressure under control.
目的为使含砷工业废水达标排放，消除含砷工业废水对环境的危害。
Purpose: to attain the discharge standard of Arsenic (as) -containing industrial waste water, reduce the damage it made to environment.
但是，船舶一旦抵达港口时就必须尽快达使燃油达标，并且在离港前持续使用该低硫燃油尽可能久的时间。
However, they must comply as soon as possible after arrival in port, and must continue to comply until as late as possible before departure.
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