只有在第一次真正需要用到代码时才会下载代码。
The downloading of code is deferred until it is actually needed for the first time.
然而，当分析这段代码时，您会意识到只有在第一次调用方法时才需要同步。
However, when you analyze it you realize that synchronization is required only for the first invocation of the method.
提交的页只有在第一次被引用时才装入主存，因此成为请求式分页。
Committed pages are loaded into main memory only when the process first references them. Hence the name on-demand paging.
我没有地方住，因为夏末之前根本没有想过还会回来，而且只有在第一个学年，学院才会保证我们有房住。
I didn't have a place to stay, because until the end of summer I hadn't thought I was coming back, and we got guaranteed rooms in college only the first year.
亚历山德拉的第一次公开展览是在洛杉矶一家公共图书馆举行的，当时她只有8岁。
Alexandra's first public show was held at a Los Angeles public library when she was only eight years old.
这是他在新学校的第一天，午餐时间只有30分钟。
It was his first day in new school, and lunch was only thirty minutes away.
我们做的第一件事就是租了一个非常昂贵的公寓，在第六层，只有一个橱柜那么大。
The first thing we did was rent a fantastically expensive sixth-floor apartment the size of a cupboard.
尽管你知道自己的第一印象错了，但是只有在与派对情境相似的情况下，你对此人的本能反应才会不被原有印象所左右。
Although you know your first impression was wrong, your gut response to your new colleague will not be influenced by the first impression only in contexts that are similar to the party.
泄漏只有在减压井开凿成功后才会停止，而第一口减压井不可能在八月中旬之前竣工，当然，或许需要不止一口减压井。
The flow will stop only once a relief well is dug; the first of these will not be completed before mid-August and, of course, more than one may be needed.
在第二种情况里，会有不同的水手,而第一个例子里，只有一个水手,被所有的女生喜爱，这就是结构歧义。
Okay so in the second case there are lots of different sailors in the first one there's only one sailor who is loved by all the girls. So that's a structural ambiguity.
VMControl的当前版本只支持一个映像存储库，所以只有在Director管理域中添加的第一个nim主服务器会成为映像存储库。
VMControl supports only a single Image Repository in the current release, so only the first NIM master server added in the Director management domain will be recognized as the Image Repository.
在DB 2服务器端，只有当它收到第一个非xa、EXECSQLSET、PREPARE或DESCRIBE操作并且目标分区不是最佳的时候，才发出一个重定向错误。
On the DB2 server side, a redirect error is only issued when it receives the first non-XA, EXEC SQLSET, PREPARE, or DESCRIBE operation and the target partition is not optimal.
第一次检查主要是看是否已经在静态HOMESMap中缓存了主机接口，只有打开了高速缓存才能使用默认Context。
The first check is to see if the home interface is already cached in the static HOMES Map only if caching is turned on and the default Context is being used.
当我在本专栏文章中发布第一个项目XM (XSLTMake)时，我无法包括正确的用户界面(它只有命令行界面)。
When I released the first project in this column, XM (XSLT Make), I failed to include a proper user interface (it only has a command-line interface).
这项设置告诉IBMCognosBI在只有维度的查询中，在维度之间使用字母顺序第一张通用事实表。
This setting tells IBM Cognos BI to use the alphabetically first common fact table between the dimensions in a dimension only query.
但并不是每个光棍老人都娶与他年龄相近的女人为妻，因为在同一年只有20个80岁左右的女人第一次结婚。
Not all of these bachelors were marrying spinsters of their own age, because only 20 previously unmarried female octogenarians made the same commitment that year.
在第二次研究期间，志愿者拿到的是和第一次相同的问卷，只有一小处不同。
During this second session, volunteers were given the same questionnaire as in the first, with one small difference.
分析人员认为，没有提供ROI分析的新技术提议只有20%在第一次提出的时候就被采纳。
Analysts suggest that only 20% of proposals for new technology without an ROI analysis are adopted when first proposed.
平均来说，在第一期试验中只有不到5%的参与者对于治疗反应良好。
On average, fewer than 5% of participants in phase I trials respond successfully to the treatment.
在将一个列表转化成一个组时，只有列表的第一个项目被保留。
When a list is converted to a group, only the first item of the list is retained.
只有第一个和正在初始化的相关性设置会保持在日志中。
Only the first and initializing correlation set is persisted in the log.
在我的第一个专栏中，我介绍了只有两个事务处理的方案。
In my first column, I presented a scenario with just two transactions.
您只有在使用本系列第一部分中描述的客户机优化流程时才需要开启采集功能。
You only need capture turned on when you are using the client optimization process that is described in the first article of this series.
第一步是创建与每个查询词一致的正则表达式，只有在查询词包含通配符 * 时才需要修改。
The first step is to create a compatible regular expression out of each query word, although modification is only required if the word contains a wildcard character: *.
在我当初加入这个项目时，只有一对志愿医生，我们第一次会议就是在他们两家，某一家的客厅里进行的。
When I first got involved with the project, there were a couple of volunteer docs, and we had our first meetings in the living room of one of them.
日本是在战后第一个国家实现持续高速增长的国家，但只有它一枝独秀。
Japan was the first country to achieve sustained, high-speed growth, in the post-war years, but it did so alone.
这就意味着，在美国，你只有一次说明自己一方事实的机会，所以说你最好在第一次就把这事情做对。
This means that in America you rarely get more than one chance to put forth your version of the facts, so you had better do it right the first time.
在2009年年底经济开始回暖的时候，本年第一季度的经济增长预测只有可怜得几乎可忽略的0.1%，之后修正为0.4%。
When the economy emerged from recession in late 2009, the first estimate for the quarter showed growth at a barely discernible 0.1%, later revised up to 0.4%.
在2009年年底经济开始回暖的时候，本年第一季度的经济增长预测只有可怜得几乎可忽略的0.1%，之后修正为0.4%。
When the economy emerged from recession in late 2009, the first estimate for the quarter showed growth at a barely discernible 0.1%, later revised up to 0.4%.
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