The principles of fuel cell operation were first reported by British scientist Sir William Grove in 1839.
燃料电池的工作原理是英国科学家威廉·格罗夫爵士于1839年首先报告的。
First, we have to clear up Swat because that's very important for the military and the government—to bring this operation to a logical conclusion.
首先，我们必须清理斯瓦特，因为那对军队和政府来说非常重要，要使这次行动有一个合乎逻辑的结论。
The film Operation Red Sea has won a lot of praise since its first show months ago.
电影《红海行动》自从几个月前上映以来，赢得了很多好评。
First of all, a utility operation may not require an object instance to do its job.
首先，实用程序操作可能不需要对象实例来做它的工作。
The satellite network, which celebrates its first year in operation this week, now only has contracts with cable operators in New York, New Jersey and Hawaii.
这家卫视网络本周正在庆祝其运营一周年，现在它只跟纽约、新泽西和夏威夷的有线电视运营商签订了合同。
About 1 in 50 people who have weight-loss surgery need a second operation because of problems after their first operation.
每50人中约有1人因为第一次手术后遗留下来的问题，需要进行第二次手术。
Willem’s first operation lasted four hours.
威廉的第一次手术用了四个小时。
Surgeons have performed the first transplant operation using an organ wholly grown in a laboratory to give a man a new windpipe.
本次手术实施了第一例使用实验室培育器官的移植手术，为患者植入了一根全新的气管。
It has therefore been supplied by the Inga dam since it was first put into operation.
因此，它从因加坝刚开始投入运行后就获得了电力供应。
For their first year of operation, Tripp Frey and twin brothers Jon and Chris Pew ran sales out of an RV.
创业的第一年，特瑞普•弗雷和双胞胎兄弟约翰和克里斯•普开着房车来销售产品。
At a press conference in Brussels, NATO Secretary General Jaap DE Hoop Scheffer said the first operation escorting a boat on had gone well.
北约秘书长夏侯雅伯在布鲁塞尔举行的一次记者会上说，护送船只的第一次任务进行得很好。
Surgeons accomplished corrective eye surgery in rabbits, but the operation blinded the first human patients.
虽然外科医生对兔子成功地施行了眼矫正手术，但此手术却导致了第一批人类患者失明。
He didn't want to do the operation at first but I gave him a hundred thousand for his clinic.
他不想做这个手术，但我给了他的诊所十万。
He also reportedly performed the first caesarean operation and created the first pair of forceps.
据称，Al Zahrawi也是第一个施行剖腹产手术的医生，他还发明了钳子。
To perform the above alter operation, first convert the classic replicate to a master replicate.
为执行上述alter操作，首先将普通复制转换成主复制。
Then perform another exclusive or operation between the result of the first exclusive or operation and the third (unchanged) block.
然后将第一次exclusiveOR操作得到的结果与第三个(未改变的)块进行另一次exclusive OR操作。
This first-of-its-kind operation allows Oscar to walk normally.
作为这种手术的第一位接受体，奥斯卡术后行走自如。
In its first month of operation in Mississippi the system has already blocked no fewer than 216,320 calls.
装置启动后的第一个月内，密西西比州的系统就拦截了二十一万六千三百二十多个电话。
All SCSI commands should begin with an operation code as the first byte. This indicates what operation it represents.
所有scsi命令都要以操作代码的第一个字节为开端，以表明它所代表的操作。
The logger objects could be created in a number of places, as long they are initialized before the first logging operation.
只要在第一次日志记录操作前对日志记录器对象进行了初始化，就可以在许多地方创建它们。
If the input and output are of the same type, the first drag and drop operation sets the input.
如果输入和输出是相同类型的，那么第一个拖放操作设置输入。
The first operation the process receives wins, just like a plain choice activity, and the process follows its path.
流程接收的第一个操作会首先执行，就像普通的选择活动，并且流程会按照其路径运行。
Take an initial value and combine it via an operation on the first element of the list.
获取初始化值，并通过在列的首个元素上的操作来与其结合。
Using data from the first 7 years of operation, this refined universal age could be arrived at.
宇宙的年龄达到这种精确程度，是使用早先7年的数据分析的结果。
The actual value will be provided on the first RPG keyed IO operation.
实际值将在第一个rpg键io操作发生时提供。
The national civil service received so many applications this year that its webpage crashed on the first day of operation.
今年国家公务员考试的报名人数相当之多，导致其网页在报名开始的第一天瘫痪。
It is important to know that the first operation to a map that matches a map template — but has not yet been created — will result in the creation of the new dynamic map.
非常重要的是要知道与映射模板相匹配的映射的第一次操作—但尚未建立—将导致创建新的动态映射。
The operation is the first serious test of Barack Obama's strategy in Afghanistan and Pakistan.
这次行动是对奥巴马阿富汗和巴基斯坦战略的首次严峻考验。
The result of that join operation then becomes the first input to the second join operation (also a nested loop join).
该联接操作的结果就成为第一个联接操作输入到第二个联接操作（也是一个嵌套循环联接）。
The result of that join operation then becomes the first input to the second join operation (also a nested loop join).
该联接操作的结果就成为第一个联接操作输入到第二个联接操作（也是一个嵌套循环联接）。
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