No statistical model, for example, can describe with perfect accuracy all the e-mails you might legitimately receive, while labeling the rest as spam.
例如，没有哪种统计模型可以准确无误地描述你收得的所有电子邮件中的合法邮件，而标记其余的为垃圾邮件。
“If the benefit a spammer is getting from obtaining an e-mail account is less than $3 per 1,000, then CAPTCHA is doing a perfect job,” says Dr von Ahn.
vonAhn博士说:“如果一个司盘客获取一个邮箱账号得到的钱少于千分之三美元，那么验证码系统的效果就恰到好处了。”
This is a perfect fit for many of the classic types of Web applications such as content management systems, search applications, and e-commerce sites, just to name a few.
对于很多经典的Web应用程序，例如内容管理系统、搜索应用程序和电子商务站点等等而言，这非常适合。
Jaws and teeth strong with a perfect, regular and complete scissor bite, i. e. upper teeth closely overlapping lower teeth and set square to the jaws.
拉不拉多犬的下巴与牙齿有完美的结合，以交剪的方式完全咬合，及上面的牙齿与下面的牙齿紧密的重叠。
The rich vitamin E and the amino acids compositions, the soft formulation of silk, present the soft slippery natural makeup effect, the perfect modifier minor faults blends with the skin nature.
富含维生素E及氨基酸成份，丝柔配方，呈现柔滑自然妆效，完美修饰瑕疵和肌肤自然融合。
Teeth of good size. Jaws strong with a perfect, regular and complete scissor bite, i. e. upper teeth closely overlapping lower teeth and set square to the jaws.
牙齿形状好，强壮的颌，完美的规则的剪刀状咬合，比如上齿紧紧覆盖下齿在口中构成三角形。
The popularity of E-business makes the carrier function of a bank card using as electronic money more perfect.
电子商务广泛应用，使银行卡电子货币载体的功能更加完善。
The combination of Orienteering sports and prototype ecological natural environment is the perfect representation of the modern P. E. ideas.
定向运动与原生态自然环境的结合是现代体育理念的完美体现。
Therefore, it is necessary to renew the existing law and perfect the regulations on E-business-contract.
因此，需要对现有的法律进行必要的补充，不断完善对电子商务合同的法律规制。
Perfect Health e House WAMEJK-chuen, a perfect series of ice-whitening toothpaste can effectively provide nutrition for the gum into the Points and give you cool cool experience.
完美洁康-健康e家完美系列冰泉美白牙膏，能有效为牙龈提供营养成分并给您酷爽体验。
Actually, it is the process for the writer to check, revise, perfect and approve the manuscript with the art of composition after drafting it, i. e. the modern sense of modification and recreation.
它实质上是作家在完成作品草创之后，重新审理文稿，而依照作文章法对文稿修改整理、加工完善的定稿活动内容，即现代意义上的修改再创造。
The contents of a perfect traffic accident information spatial-database should include three parts, i. e. spatial-database, influential factors database and database of metadata and data dictionary.
探讨了完备的交通事故信息数据库的内容构成，认为应包括空间数据库、影响因素数据库以及元数据和数据字典库三大部分；
E-Z Page Turners: Trucks Perfect for Little Fingers!
基本配置页转换器：卡车(专为小朋友的手指！)
Essential ingredients include 100% Pure Aruba Aloe and Vitamin E. This is the perfect all-day, any-time lotion for your entire body including your feet.
基本要素包括100%纯阿鲁巴芦荟和维生素e，这是完美的一天，任何时候都可为您的整个身体，包括你的脚进行洗剂。
Applied situation is discussed in the paper, and e-business in hotel should work up perfect hotel e-business system to realize service upgrade to improve its additional value.
文中阐述了电子商务酒店业中的应用状况，提出了电子商务在酒店业要逐步建立完善的酒店电子商务系统，实现服务升级。提高酒店服务附加值的效益。
The guidelines are far from perfect, however. Like previous versions, they speak in "code. " That is, they specifically name foods to eat more of (e. g. fruits and vegetables).
但是这指南还不很完美，就像过去的版本，它用“代码”来解释，就是说，它明确地指定要多吃的食品（如水果和蔬菜）。
The system has many advantages such as perfect technology, high reliability, low cost and easily popularity e...
该系统技术成熟、可靠性高、成本低廉及易于推广，具有显著的经济、社会效益和广阔的推广应用前景。
Concerning the life span of Chang 'e-1, Sun introduced that some parameters such as left propellant, stability of storage battery and temperature maintaining level are all perfect.
关于嫦娥一号的寿命，孙泽洲表示，从目前情况来看，“嫦娥”推进剂余量、蓄电池稳定性、温度维持水平等参数都很好。
Concerning the life span of Chang 'e-1, Sun introduced that some parameters such as left propellant, stability of storage battery and temperature maintaining level are all perfect.
关于嫦娥一号的寿命，孙泽洲表示，从目前情况来看，“嫦娥”推进剂余量、蓄电池稳定性、温度维持水平等参数都很好。
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