If conditions within an organism's environment occasionally or regularly become harsh, it may be advantageous for an organism to have a resistant stage built into the life cycle.
如果一个有机体的环境条件偶尔或经常变得严酷，它可能是有利于这个有机体在生命周期中形成一个抗性阶段的内建。
However, an effective strategy, the management of drug-resistant TB is still in pilot stage.
然而，作为一项有效的策略，对耐药结核病的管理仍处于试验阶段。
Tests showed that the XF-73 "bacteriocidal" compound continued to destroy MRSA after repeated treatment, long past the stage when it would have become resistant to antibiotics.
试验证明XF- 73这种化合物在重复治疗下对MRSA有持续杀灭作用，而在过去，使用抗生素则MRSA很快就产生抗药性。
On October 13th a study published in Science Translational Medicine revealed that early-stage trials show a new tuberculosis vaccine may work against drug-resistant strains of that killer disease.
在十月十三日出版的《科学转化医学》中发表的研究表明：早期试验表明一种新的肺结核疫苗可能对抗药性肺结核菌株有效。
Stability of resistance of 12 rice varieties with different resistant levels in seedling stage was studied.
同时对12个具有不同抗性水平的水稻品种苗期的抗性表现进行了遗传型稳定性分析。
At present, both at home and abroad for drug-resistant tuberculosis and tuberculosis research and development of early diagnostic techniques are in clinical reference laboratories and stage.
目前，国内外对结核病和耐药结核病早期诊断技术的研究与开发均处于实验室和临床参考阶段。
At present, both at home and abroad for drug-resistant tuberculosis and tuberculosis research and development of early diagnostic techniques are in clinical reference laboratories and stage.
目前，国内外对结核病和耐药结核病早期诊断技术的研究与开发均处于实验室和临床参考阶段。
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