The short-term effect of endoscopic treatment for esophageal varices bleeding is obvious, but the long-term effect still needs further studies.
内镜下治疗食管胃底静脉曲张破裂出血近期疗效显著，但远期疗效仍然是研究的重点。
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
由于炮孔堵塞不牢和初始自由面利用不充分，井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
reporter: diane knows all about the placebo effect . still, she was surprised how much it helped her in this latest study.
在一项旨在更好地理解“安慰剂效应”的试验中，研究人员发现，即便患者完全知道自己服用的是安慰剂，安慰剂仍能让患者感到病情改善
These tests are, in effect, still in use today.
实际上，这些测试今天仍在使用。
These tests are, in effect, still in use today.
实际上，这些测试今天仍在使用。
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