单词：random sample
[医] 随机样品
[经] 随机抽样, 随意抽取样品
random sample的用法和样例：
例句
- The opinion poll was based on a random sample of adults.这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。
单词：random sample 相关文章
A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d
英语情景对话-健康
TEXT The author finds out that good intentions alone are not enough when his attempt to be kind to an old man leaves them both feeling worse than before. The Sampler In a certain store where they sell puddings, a number of these delicious things are
大学英语精读第一册
[00:05.15]第十三部分 化验取样 [00:10.29]1.The first test is no problem, [00:12.92]做第一项检查没有问题, [00:15.54]but the second one has to be done on an empty stomach. [00:33.78]但第二项目得空腹做. [00:52.01]2.How long do I have to fast? [01:01.04]
医疗服务英语
safe--安全 sale--出售 same--相同的 save--节省 sad--悲伤 salad--沙拉 sample--样品
用听的背单词-基础2000MP3(h-z)
A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then
英语情景对话-健康
星级典句： 第一句：We are pleased to quote you for 1500 dozen men shirts as for the sample you sent before at $20 per piece. 我们愿意按照你方送来的样品提供1500打男士衬衫，每件20美金。? A: We made the offer subject t
天天商务口语
The undersigned parties hereby agree to form a _____________ (specify type of business entity), in the state of ___________, primarily for the following purposes: ______________ The principal place of
财会英语
Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m
实用英语
Words: content to go away I don't suspect blog to dumb down opinion poll random sample Gallup Poll pollution global warming Green Party recycle proper nouns COB = Close of Business
美语听力 English Cafe
1. To explain where the applicant has got the information about the vacancy. For example, he can learn it from his friends, or in the advertisement, or in some papers, or he just wants to try his luck. SAMPLE: Having noticed the enclosed advertisemen
实用英语
今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests
英语每日一词
1. To explain where the applicant has got the information about the vacancy. For example, he can learn it from his friends, or in the advertisement, or in some papers, or he just wants to try his luck. SAMPLE: Having noticed the enclosed advertisemen
实用英语
Worst food ever...1/4 star. 史上最差食物...四分之一个星。 Why give 1/4? They have to learn. 为什么要给四分之一？他们得受点教训。 Eh, I liked the ambience. 呃，我喜欢那的环境。 Well, I'm not pulling any punches
咱们裸熊
Samples? 试吃吗？ I don't get it. Our food is good. 我不明白。我们的东西很好吃啊。 Why do people eat that stuff? 为什么大家情愿吃那种东西啊？ Hey, you! Why don't you eat our food? ! Huh? ! Why? ! 嘿，你过来！你为
咱们裸熊
求职信是简历很重要的一部分。一份好的求职信可以让你的简历增色不少，加大你成功的砝码。跟我来，教你打造一份精彩的求职信！ 1. To explain where the applicant has got the information about the vaca
实用英语
A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then
健康-Health