In the aspect of excess revenue, the in-sample has great excess returns, the out-sample has negative excess returns, which have shown no market efficiency in China's futures market.

而且从超额收益性方面，样本内有很大的超额收益，样本外，有负的超额收益，这一些都表明中国期货市场是没有市场效率的。

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The sperm sample is checked under the microscope before insemination is carried out.

进行受精前用显微镜检查精子样本。

《柯林斯英汉双解大词典》

During development of the annotator, you might want to test it out on some sample text.

在开发注释器期间，您可能想在一些样例文本上测试它。

youdao

On--this week because the first concept sheet is different than the rest -you were using the Daily Plate Dietary Assessment -we'll send out this week a sample concept sheet.

这周,因为第一周的观点报告,与众不同,你们用了日常饮食评估表,我们这周会下发一个观点报告范例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Another experiment the team are carrying out involves taking a metre-deep soil sample, which co-researcher Rebecca Rowe describes as "quite unusual".

BBC: Measuring bioenergy crops' carbon footprint credentials

Sample some chilled-out bluegrass beats at a Local 188 up on Congress St, or loosen your belt (in the name of art, of course) and make room for a heavenly dessert at Five Fifty-Five.

BBC: Art appreciation and more in Portland, Maine

So he put together his own sample edition, with roughed-out maps, margin notes, an index and a list of appendixes, and sent it out again.

FORBES: Magazine Article