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1·But this preemptive strategy can also be dangerous, raising the risk of infections and possibly increasing the chance of relapse in cancer patients.

这种先入为主的治疗方案也是非常危险的，它会增加感染的几率，也有可能增加癌症的复发率。

2·Antifungal drugs can be given as prophylaxis or empirical therapy, instigated on the basis of a diagnostic strategy (the preemptive approach) or for treating established disease.

抗真菌药物可以作为预防或经验的治疗，以诊断策略(优先的方法)或治疗疾病为基础而促成。

3·Taking into account the characteristic of data calls and the higher priority of handoff voice calls, this scheme gives handoff voice calls a preemptive priority with combination of queuing strategy.

考虑到数据调用和更高的优先级切换语音呼叫的特点，该计划提供了切换语音呼叫优先级抢占的排队策略相结合。