进行受精前用显微镜检查精子样本。
The sperm sample is checked under the microscope before insemination is carried out.
我们还没有时间化验分析那些样本。
这次调查的结果进行了加权处理，以包容样本中的偏差。
The results of the survey were weighted to allow for variations in the sample.
他们比较了这些样本。
1970年8月23日，他们找到了一个样本。
塔克的团队很可能是在矿石样本中发现了少量的锝。
Tacke's team might very well have found small amounts of Masurium in the ore sample.
来自这些围栏或畜栏的土壤样本显示，磷的浓度是其10倍。
Soil samples from these pens or corrals show ten times the concentration of phosphorus.
然而，在一半的试验中，这些是未被选择的果酱或茶的样本。
On half of the trials, however, these were samples of the non-chosen jam or tea.
独角鲸测量确实与一次冬季直升机调查得到的样本相当一致。
The narwhal measurements do correlate well with one-shot samples taken by winter helicopter surveys.
老鼠嗅到这种气味时会停下来，摩擦双腿，表明样本已被感染。
When the rats detect the smell, they stop and rub their legs to indicate a sample is infected.
来自海豹死亡海域的海水样本确实含有异常高浓度的有毒细菌。
Seawater samples from the area where the seals died did contain unusually high concentrations of the toxic bacterium.
根据这项研究，科学家们在粪便样本中发现了9种不同的塑料。
Scientists found nine different kinds of plastic in the stool samples, according to the study.
科学家们从乌鸦那里收集了样本，以估计它们食物中幼虫的比例。
Scientists have collected samples from crows in order to estimate the proportion of larvae in their diet.
她关于铀的理论可以解释她的团队的矿石样本中43号元素的存在。
Her theory about uranium would have explained the presence of element 43 in her team's ore sample.
当老鼠闻到气味时，它们会停下来摩擦自己的腿，这表示样本已被感染。
When the rats detect the scent, they stop and rub their legs to indicate a sample of infected.
夏普博士和他的同事们决定分析阿波罗样本中一种极其亲水的元素——氯。
Dr. Sharp and his colleagues decided to analyse an extremely hydrophilic element of the Apollo samples—chlorine.
对于生态学研究来说，最重要的是收集尽可能多的不同物种的可识别样本。
For ecological studies, the most important factor is collecting identifiable samples of as many of the different species present as possible.
调查和测试样本对了解包含考古地点在内更大规模的景观也变得非常重要。
Surveys and test samples have also become important for understanding the larger landscapes that contain archaeological sites.
仔细阅读文本就会发现，样本中大多数头生子女都来自没有父亲的单亲家庭。
A careful reading of the text reveals that most of the firstborn children in the sample were from single-parent homes in which the father was absent.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
几天后，他收集了落在冰冻湖面的陨石的原始样本，并把它们储存在他的冰箱里。
He collected pristine samples of the meteorite just days after they fell on the frozen lake, and stored them in his freezer.
年轻人纷纷登录异国美食网站订购准备好的昆虫样本，以在他们的晚餐派对上供应。
Young people are logging on to exotic food websites and ordering samples of prepared insects to serve at their dinner parties.
核心样本中的有孔虫在1950年之后最多，当时农民开始使用一些营养丰富的肥料。
The foraminifera in the core samples were most abundant after 1950, when farmers began using some fertilizer, which is rich in nutrients.
现在人们普遍认为魔鬼洞的样本与美国西部当地气候的变化有关，而不是全球气候的变化。
Now it is generally believed that the sample from Devil's Hole corresponds to variations in local climate, in the western United States, rather than global climate changes.
Cerling 的团队收集了600个城市的自来水样本，绘制了一张区域差异分布图。
Cerling's team collected tap water samples from 600 cities and constructed a map of the regional differences.
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