But the improving effect and benefit of downhole operation have not formed yet.
但系统地提高井下作业效果与效益的管理思路尚未形成。
Another positive benefit of this natural substance is the gradual effect it has in improving blood sugar metabolism and balance, rather that the not so subtle changes that occur with prescribed drugs.
另一个积极造福这个天然物质逐步它对改善血糖代谢平衡而认为不太微妙的变化，出现处方药品。
The invention has the advantages of low drug dosage of the tunicamycin, exact effect, less influence on normal cell and benefit for improving the living state of tumour patients.
本发明的优点在于，衣霉素的药物用量低，效果确切，对正常细胞的影响小，有利于改善肿瘤患者的生活状态。
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