停火绝对是第一要务，也是检验协约是否有效的试金石。
Ending the fighting must be the absolute priority, the litmus test of the agreement's validity.
这种税收是否有效充满争议。
类似的机器也曾搭乘美国宇航局的航天飞机在太空中飞行，但无法进行时间足够长的测试来证明它们是否有效。
Similar machines have flown in space aboard NASA's shuttles, but they couldn't be tested for long enough to prove whether they were effective.
一个月后再来看看链接是否有效。
第二阶段仍然是测试疫苗的安全性，但主要是检测疫苗是否有效。如果第二阶段进展顺利，疫苗研发就可以开始第三阶段。
Phase 2 still tests the vaccine's safety, but it's mainly a test to see if the vaccine seems to work. If Phase 2 goes well, the vaccine can begin Phase 3.
查询语句不会检查输入是否有效。
确定操作对于当前状态是否有效。
以及特殊公共卫生检监测是否有效。
And it looks at whether particular public-health measures are effective or not.
check：查看数据库是否有效。
下一步是检查添加行的功能是否有效。
另一种测试方式是验证提要是否有效。
目前还很难判断初定的法律是否有效。
Whether the initial law has had an effect is difficult to judge so far.
请验证安装源是否有效，并重新启动安装。
Verify that the installation source is valid, and restart the installation.
该装置在火星飞船上是否有效也还有待观察。
芒克说：“我们急于看到的方法是否有效。”
"We were desperate to see whether the method was working," Munk says.
两年之后我们才能知道它是否有效。
It will be two years before we know whether it is effective.
我们应该检查一下WSDL文档是否有效。
问题是这样的增长是否有效以及可以持续多久。
The question is whether such splurges are efficient and how long can they last.
这导致一个最关键的问题：这类干预是否有效。
That leads on to the biggest question of all: whether this sort of intervention works.
代码判断指定的值是否有效。
The code then determines whether the specified values are valid.
这些新规则是否有效将取决于他们如何解释规则。
How effective these new rules will be depends on how they are interpreted.
连接建立后，必须检查证书，以确定它是否有效。
Once the connection is established, the certificate should be checked to see that it is valid.
这个发现对于其他请求是否有效，目前还不清楚。
Whether these findings will hold good for other types of request is unknown.
对于每个模式，分析检查假设是否有效。
For each pattern, the analysis checks whether the assumptions hold or not.
实现可能未检查数字是否有效，或者输入是否为数字。
Implementations may fail to check whether the number is valid or whether it is a number at all.
这是最好的研究方法来验证治疗方式是否有效。
This is the best type of study for finding out whether a treatment works.
也往往是确定客户服务工作是否有效的意见反馈或措施。
It is usually a feedback-soliciting process to determine the effectiveness of customer service and delivery.
他们是否有效可靠？
在把作业放进生产环境之前，根本无法确定它是否有效。
You couldn't really tell if a job was going to work at all until you pushed it to production.
在把作业放进生产环境之前，根本无法确定它是否有效。
You couldn't really tell if a job was going to work at all until you pushed it to production.
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