The study was a double blind placebo controlled study adequately powered for OS as primary end-point.

这项研究是一项双盲，安慰剂对照的研究，以OS作为主要终止点。

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In a double-blind trial, there were some improvements.

在一个双盲测试中，有了一些进步。

《柯林斯英汉双解大词典》

After all, it's hard to do a double-blind test when the subjects can see for themselves whether or not the light is on.

毕竟，要做双盲测试是很困难的，因为受试者自己可以看到灯是否亮着。

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And in a study published last year, researchers in Australia showed in a double-blind, placebo-controlled trial that subjects with suspected gluten sensitivity had substantially fewer symptoms on a gluten-free diet than control subjects who unknowingly ingested gluten.

WSJ: New Guide to Who Really Shouldn't Eat Gluten

Then, this week, the King Institute of Preventive Medicine, a flagship government hospital in the Tamil Nadu capital of Chennai, announced its intention to do a double-blind study to see how effective the neem-papaya mix is in battling dengue.

FORBES: Is Ancient 'Mocktail' The Answer To Dengue Fever?

The civil unrest of the previous decade had finally settled down, the student body was growing larger and more diverse, the university had changed its applications process to a double-blind procedure with no special consideration for gender, race, or ethnicity, and research in medicine and the physical sciences shared space in the curriculum with philosophy and art.

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