单词：direct mutation
单词：direct mutation 相关文章
What I saw was a great opportunity to provide computing technology in a much more efficient way. That was the core idea of what became Dell Computer Corporation, and it’s one that we’ve stuck with
疯狂英语2002年
The billionaire founder of Sports Direct demonstrating the improved security check his main warehouse. Check now turn to you,most confess your pocket into the grill so far. Casually taking out the wallet a 50-pound notes, in a place you see payment d
英伦广角
Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc
2016年VOA慢速英语(三)月
Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题，这一好消息确实振奋人心， because it turns out that the way we live can influence the accumulation of amyloi
TED演讲国际问题篇
This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi
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人的一生中，将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时；即使成年后，每夭至少要睡 6～7小时。 不管睡眠时间长短如何，睡觉看来是人必不可少的行为。这一点
英语听力广播—Listening
「東北地方太平洋沖地震」により被害に遭われた方々へ、心よりお見舞いを申し上げるとともに、一日も早い復旧をお祈りいたします。 In this Business Skills 360 lesson we take a look at the language
商务英语管理课程
SEOUL, March 28 (Xinhua) -- South Korean companies' direct financing jumped 30 percent in February from a month earlier, the financial regulator（调整者） said Monday. Corporate financing through public offers amounted to 14.05 trillion won (12.
英语新闻
This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj
Scientific American(五)月
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi
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Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they
英语新闻
SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO
VOA慢速英语2008年（五）月
Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来，口吃可以归咎
经济学人科技系列
Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno
经济学人科技系列
Police in northwest China's Xinjiang Uygur Autonomous Region say 181 terror groups were dismantled since a sweeping campaign was launched a year ago. According to police, 96 percent were thwarted at the planning stage, and 112 suspects turned themsel
cctv9英语新闻2015年
US Vice President Joe Biden says the U.S is prepared to hold direct talks with Iran in the standoff over its nuclear ambitions. Biden made the comment at the annual Munich security conference, saying the talks will have to be real. We have made it cl
英闻天下
Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后，这位女演员开始
人物杂志
Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁？狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可
人物杂志