1·He then went onto prove this by demonstrating aspirin's success as a preventative treatment for cardiovascular disease.
此后他的研究证实了这一点，阿司匹林可以作为心血管疾病的预防性治疗手段。
2·During experiments, these enzymes showed near-complete success as a preventative treatment against the nerve agents.
实验中，作为预防性药物的变异酶几乎能够完全抵御神经毒气的攻击。
3·Also, without efficient asset controls, critical equipment could become unusable if needed preventative maintenance and regulation-directed calibrations are not performed in a timely manner.
而且，没有有效的资产控制，这些紧急设备有可能真的就不能用了，因为往往不能及时地对这些设备进行必需的预防性维护以及符合规定的校准。
4·Are there preventative measures that can be taken or tests that determine whether a person is at risk for SCDS?
有没有预防性措施或者评估患SCDS风险的检验？
5·Apparently it was necessary to lock up the pensioner for “preventative custody”: he has been dumped in Tihar jail, Delhi’s main prison, for the next seven days.
显然， 以“预防性拘留”的名义关押这个领取养老金的人已经不可避免 ：在接下来的7天里，哈扎尔都将被关在新德里最大的监狱——Tihar监狱里。