The effect is similar to the use of external images to track E-mail.
由此带来的影响类似于使用外部映像跟踪电子邮件。
In the age of E-mail, a handwritten thank-you note can have a powerful effect.
在使用电子邮件的年代，一个手写的感谢信有意想不到的效果。
Part of this is an effect of the E-mail nature of many social networks.
部分原因在于电子邮件之于许多社交网络的本质作用。
E-Gas System operating in cooler condition with no dangerous effect of Baking Soda.
电子气体系统在寒冷条件下作业，没有小苏打危险的影响。
The main effect of P. E is to build up bodies, promote body and mind healthy.
体育运动的主要作用是增强体质，增进身心健康。
The main effect of P. E is to build up bodies, promote body and mind healthy.
体育运动的主要作用是增强体质，增进身心健康。
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