这些燃料在使用时更加环保。
“官吏”这个词在使用时常常带有轻蔑的含义。
“人工智能技术是非常振奋人心的，”她说，“但它有局限性：如果在使用时不加以分辨，会带来重大危险。”
"AI is hugely exciting," she said, "but it has limitations, which present grave dangers given uncritical use."
当土地被开发为人类使用时，其地貌就会发生变化。
When land gets developed for human use, the landscape changes.
当营养物质在环境中被反复使用时，我们称之为营养循环。
When nutrients are used over and over in the environment, we call that a nutrient cycle.
人们普遍认为，屏幕使用时间过长是当今年轻人不快乐的原因。
Too much screen time is widely believed to be the cause of unhappiness among today's young people.
等到这些“办法”被广泛使用时，骗子们就会使用更聪明的手段。
By the time these "solutions" become widely available, scammers will have moved onto cleverer means.
研究表明，在世界各地，社交媒体的人均使用时长为每天2小时19分。
Research shows that, worldwide, the average person spends two hours and 19 minutes on social media each day.
当杀虫剂在农场附近池塘的温暖封闭水域使用时，环境很可能对鱼是致命的。
In the warm enclosed waters of farm ponds, conditions are very likely to be lethal for fish when insecticides are applied in the vicinity.
也许父母们可以不再那么担心屏幕使用时间，至少对年龄较大的男孩和女孩来说是这样。
Perhaps parents can stop worrying so much about screen time, at least for older boys and girls.
在一些专家和大众媒体中，最流行的解释之一是，过多的“屏幕使用时间”是罪魁祸首。
One of the most popular explanations, among some experts and the popular media, is that excessive "screen time" is to blame.
这项新研究确实比之前的研究更进一步，它表明屏幕使用时间仍应被视为年轻人成长的潜在障碍。
The new work does go further than previous research and suggests that screen time should still be considered a potential barrier to young people's flourishing.
重型运土设备使用时，操作人员只能看到有限的区域，因此，必须指派矿口监工随时警告操作人员在操作位置上无法发现的危险。
It is, therefore, essential that a banksman be appointed to warn the operator of hazards that cannot be seen from the operator's position.
单独使用时，并不妨碍代码的可读性。
When used by itself, it doesn't much hinder the readability of the code.
否则，该变量在使用时将是未初始化的。
Otherwise, the variable will be uninitialized when it is used.
类在被应用程序首次使用时才进行解析。
日志不再使用时，就可以对其进行存档。
Once a log is no longer used it then becomes available to be archived.
这是原生代码，在使用时由处理器构架编译。
This is native code, compiled to the processor architecture in use.
按使用时段定价的方式开始普及。
该对等恢复类型在使用时必须配置明确。
进程所请求的内存页在实际使用时才会分配。
Memory pages requested by a process are not allocated until they are actually used.
电池的价格和电池的使用时间并无直接关联。
There is no correlation between the price of a brand of batteries and how long they last.
当适当地使用时，上面每种都会提供一些东西。
对象不再使用时就是垃圾(技术术语是它们不再被引用)。
When objects are no longer used, they get trashed (the technical term is they are no longer referenced).
这些技术用来避免单个捕获文件被使用时可能发生的资源争用。
These techniques serve to avoid resource contention that might occur if a single capture file was used.
这些技术用来避免单个捕获文件被使用时可能发生的资源争用。
These techniques serve to avoid resource contention that might occur if a single capture file was used.
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