我认为与其他常规心肌负荷试验和临床症状相比，这不是一项优秀的黄金标准。

I don not think there is a great gold-standard other than routine stress testing and clinical symptoms.

youdao

原型1960年年初开始的飞行试验计划，但不幸的是在一次事故中严重，这不是任何设计缺陷故障损坏。

The prototype began its flight test program in early 1960, but unfortunately was badly damaged in an accident that was not the fault of any design deficiency.

youdao

尽管这不是一个设有对照的试验，但研究者断定去氨加压素能安全有效地治疗65岁及65岁以上患者的重度夜尿症。

Although this was not a controlled trial, they concluded that desmopressin is "safe and effective in the treatment of severe nocturia in patients 65 years old and older."

youdao

尽管这不是一个设有对照的试验，但研究者断定去氨加压素能安全有效地治疗65岁及65岁以上患者的重度夜尿症。

Although this was not a controlled trial, they concluded that desmopressin is "safe and effective in the treatment of severe nocturia in patients 65 years old and older."

youdao