修正等距抽样

Broadcast: July 15, 2003 This is Bill White with the VOA Special English Agriculture Report. On July second, the European 1)Parliament agreed to let new 2)genetically changed products enter the Europe

发表于:2018-12-07 / 阅读(110) / 评论(0) 分类 VOA2003(下)-农业与经济

Health Report - Scientists Dispute Study of Genetically Modified Corn 健康报道 - 科学家对转基因玉米导致肿瘤提出异议 From VOA Learning English, this is the Health Report in Special English. 这里是美国之音慢速英语健康报

发表于:2018-12-16 / 阅读(92) / 评论(0) 分类 2012年VOA慢速英语(十一)月

Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 VOA标准英语2012年(一月)

Eating Genetically Modified Foods Ralph: Whats that? Nicky: Its a bigger and better tomato. Its been genetically modified. Ralph: Youre not going to eat that, are you? Nicky: Of course I am. Im making a salad. Want one? Ralph: No way. I dont want to

发表于:2018-12-27 / 阅读(104) / 评论(0) 分类 2013年ESL之餐饮娱乐

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(179) / 评论(0) 分类 商务英语必备1000字

Broadcast:Feb 25, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. The Bush administration has been trying to get the European Union to accept new genetically engineered crops.

发表于:2019-01-02 / 阅读(128) / 评论(0) 分类 VOA2003(上)-社会广角

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(174) / 评论(0) 分类 财会英语

Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo

发表于:2019-01-07 / 阅读(139) / 评论(0) 分类 六分钟英语

Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it

发表于:2019-01-13 / 阅读(128) / 评论(0) 分类 VOA标准英语2010年(七)月

Kerry Praises Genetically Modified Crops U.S. Secretary of State John Kerry said Wednesday the United States supports the use of biotechnology to develop so-called smart crops that can withstand droughts and floods and require less fertilization. So

发表于:2019-01-14 / 阅读(105) / 评论(0) 分类 VOA标准英语2013年(六月)

Florida Keys Approves Trial Of Genetically Modified Mosquitoes To Fight Zika play pause stop mute unmute max volume 00:0003:37repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or updat

发表于:2019-01-16 / 阅读(107) / 评论(0) 分类 2016年NPR美国国家公共电台11月

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(109) / 评论(0) 分类 天天商务口语

Protesters stop Indian Environment Minister Jairam Ramesh (C) in black and white dress, as he arrives to attend a public hearing on Bt brinjal, or genetically modified (GM) eggplant crop, at Central Research Institute for Dryland Agriculture in Hyder

发表于:2019-01-30 / 阅读(126) / 评论(0) 分类 VOA标准英语2010年(二月)

发表于:2019-02-01 / 阅读(152) / 评论(0) 分类 财会英语

BEIJING, Feb. 20 (Xinhua) -- China's banking industry regulator said Monday that preventing systematic financial risks has become a top priority as the global financial crisis enters a more complicated phase. The country will work to defuse local gov

发表于:2019-02-13 / 阅读(151) / 评论(0) 分类 英语新闻

Critics question safety of the pest-resistant strain Steve Baragona | Washington, DC 05 February 2010 An Indian seed company has developed an eggplant that it says will dramatically reduce the need for pesticides. Related Links Mahyco Navdanya Indian

发表于:2019-02-17 / 阅读(140) / 评论(0) 分类 VOA标准英语2010年(二月)

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(119) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 实用英语

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(128) / 评论(0) 分类 英语口译

今天我们要学的词是 genetically modified. Genetically modified 转基因的。Officials are considering using genetically modified mosquitoes to fight the zika virus in Houston. 有关官员考虑使用转基因蚊子在休斯敦打击寨卡病

发表于:2019-03-07 / 阅读(157) / 评论(0) 分类 英语单词荟萃