Actually, the person often is do not know to cherish when have, once lost ability, feel doubly precious.
其实，人往往是在拥有的时候不知道珍惜，一旦失去了才觉得倍加珍贵。These scintillations can be counted by means of a photomultiplier tube and associated electrical devices.
可以用一种光电倍加管以及相应电子装置对这些闪光进行记数。If you're upgrading an application that many users rely on (like the Apache on your busy Web server), then it pays to be extremely careful.
如果您正在升级对许多用户都有影响的应用程序（如繁忙的Web服务器上的Apache），则倍加小心是值得的。Some of that money gets spent again and again, producing the multiplier effect of any increase in the money supply.
其中一部分的钱用了又用，形成各项货币供应的倍加效益。It was one of those intermissions which frequently occur in nocturnal combats, which are always followed by an increase of rage.
夜战中常有这种暂时的休止，后面跟着来的却总是倍加猛烈的进攻。You can double up on as many days as you want. Just spend at least two weeks at each stage before adding more miles.
你可以随心所欲地增加你倍加训练的天数，但在增加里程前，每一阶段至少要保持两周的时间。But I think we have to be careful about building up people's hope so much that they put off living their lives.
但是我们在帮助别人建立希望时应该倍加小心，如果希望过大，他们就不能过真正属于自己的生活。It's an experience I shall never forget and shall value for the rest of my life.
这是一种我永远铭记在我的余生中将倍加珍惜的经历。This result should be cherished with special care as it did not come by easily.
这一成果来之不易，需要倍加珍惜。