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1·Moving rapidly through school, he graduated Phi Beta Kappa from the University of Kentucky at age 18.

在学校进步迅速，他十八岁时以优等生身份从肯塔基大学毕业。《柯林斯英汉双解大词典》

2·The easy ones are on the diagonal: we both get B- if we both choose Alpha; we both get B+ if we both choose Beta.

在对角线上就更直观了：如果我们都选 α 的话得 B- ，如果我们都选 β 的话得 B+ 。

3·The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.

该计划成功的机会很大，因为红薯是该地区的主食和主要农产品，而且目前种植的品种几乎不含胡萝卜素。

4·Most of the purported health benefits of tea come from antioxidants—compounds also found in beta carotene, vitamin E, and vitamin C that inhibit the formation of plaque along the body's blood vessels.

茶对健康的好处大多来自于抗氧化剂——在胡萝卜素、维生素 E 和维生素 C 中也发现了抗氧化剂化合物，它能抑制沿身体血管形成的斑块。

5·He and his colleagues have found New Delhi metallo-beta-lactamase.

他和他的同事发现了新德里金属β-内酰胺酶。

6·The technique is based on beta-glucuronidase, an enzyme from the bacterium Escherichia coli.

该技术基于β-葡糖醛酸糖苷酶（一种来自大肠杆菌的酶）。

7·He and his colleagues have found New Delhi metallo-beta-lactamase 1 positive bacteria in India and Pakistan.

沃尔什与同事在印度、巴基斯坦发现了具有“新德里金属-β-内酰胺酶1”的细菌。

8·The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.

法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。

9·Nitrocefin is a chromogenic cephalosporin substrate. which changes color from yellow to red upon beta-lactamase mediated hydrolysis.

硝基芬是一种发色性头孢菌素底物。

10·It shows the role of TNF-alpha and its receptors in the production of beta-1,4 galactosyltransferase I and V mRNAs by rat primary astrocytes.

这显示了巢蛋白和阶段特异性胚胎抗原-1在大鼠2型星形胶质细胞中的表达。

测试版

1·Some parts of the Open Platform have yet to be finalised, and the network was described as a beta trial, a programming term for software ready for testing but not ready for final release.

开放式平台的某些部分尚未完成，而且该网络被描述为“测试版试用”，这是一个编程用词，表示软件可供测试，但并还未准备好最终版予以正式公布。

2·There should be a public beta later this year, with the final release in the first half of 2010.

今年晚些时候应该有一个公开测试版，最终版本要在“在2010年上半年”发布。

3·You guessed it... the first beta customer used only that type of modem.

您猜猜，第一个测试版的用户就使用了那个类型的调制解调器。

4·Unless some vendors are willing to ship a very beta product, that's probably not going to happen.

除非一些商家愿意出售一个完全是测试版的产品，否则那是不会出现的。

5·Those of us who comment for a living on the quality of software take very seriously the distinction between beta software and shipping software.

我们这些通过给软件的质量进行测评混饭吃的人把“测试版”软件和“上市版”软件严格区分开来。

公测

1·The company has just released the first public beta, or test, version of the software, and I've been trying it out on two laptops.

该公司刚刚发布了官方公测版，笔者也在两部笔记本上进行体验。

2·One interesting measure of fetchmail's success is the sheer size of the project beta list, fetchmail-friends.

这个项目庞大的公测名单（我称之为“fetchmail之友”）成为衡量fetchmail成功的重要标准。

3·Take note Basecamp users, a universal mobile app for your favorite project management tool is seeking beta testers as of today.

Basecamp的用户们请注意了，你们最为钟爱的项目管理软件如今已经拥有了正在公测的手机应用程序。

4·The public beta of Rhodes 2.0 starts today, and the final release will be ready later this month.

Rhodes 2.0的公测版今天发布，最终发布版将会在本月准备就绪。

5·I grew my beta list by adding to it everyone who contacted me about fetchmail.

我把每个曾和我讨论fetchmail的人都列入公测名单。

(1)beta testβ测试（电脑硬件、软件发行上市前的试用）

(1)beta testing贝塔测试

(1)phi beta kappa美国大学优秀生全国性荣誉组织