Connection must be valid and open?
连接必须是有效的和打开的？
Not only is it valid, it must be valid. And why is that?
不只有效，而且肯定有效，为什么呢？
The string must be valid PHP code and must end with semicolon.
这个字符串必须是有效的PHP代码，并且必须以分号结束。
The IELTS test result must be valid on the date of application.
IELTS 考试成绩必须在申请职位当天仍然有效。
A prescription must be valid. It cannot be an expired prescription.
处方必须是有效的，不可以是过期的处方。
KAREN: a prescription must be valid. It cannot be an expired prescription.
凯伦：处方必须是有效的，不可以是过期的处方。
The IELTS test result must be valid on any date during the application period.
IELTS考试成绩必须在职位接受申请期内任何一日有效。
Your tests must be valid and reliable; in other words, your tests must be repeatable.
测试必须是有效且可靠的；换言之，测试必须是可重复的。
Original and photocopy of your passport; must be valid for at least six months.
护照正本及影印本一份，正本验毕归还。(护照效期至少六个月)。
The health certificate must be valid, provided by authorized physician or hospital.
健康证明必须是经授权医生或医院出具的有效的证明。
Could this argument be valid say yes - as a matter of fact this argument must be valid.
这个论点有效，说对-，实际上这个论点肯定有效。
The IELTS test result must be valid on the starting day of the application period, i. e. 26 June 2015.
IELTS考试成绩必须在职位开始接受申请的首天（即2015年6月26日）仍然有效。
The contact details provided in your message must be valid for at least 30 days after the message is sent.
发件人细则在邮件发出后，至少要保持30天有效。
The IELTS test result must be valid on the starting day of the application period, i. e. 27 February 2015.
IELTS考试成绩必须在职位开始接受申请的首天（即2015年2月27日）仍然有效。
The visa for the return country must be valid for at least three months beyond the period of intended stay.
返回所在国的签证必须在指定停留期后至少三个月内有效。
The IELTS test result must be valid on any date during the application period (i. e. from 11 to 24 November 2016).
IELTS考试成绩必须在职位申请期内其中任何一日有效（即2016年11月11日至24日）。
DB2 UDB does not allow MAXVALUE to be followed by any other values, and the range must be valid for each partition value.
DB 2UD B不允许MAXVALUE后面跟上任何其他值，每个分区值的范围必须有效。
Creating the Upfront CSV file is similar to that of the LDAP extraction in that the three fields located in the Upfront section of the GUI must be valid.
创建UpfrontCSV文件类似于LDAP抽取，其中位于GUI的Upfront部分中的三个字段必须正确。
It is important to point out that the IP address and hostname you provide must be valid values for the subnet associated with the IP group you select (WASIPs).
一定要注意，您提供的IP地址和主机名必须对于所选ip组(WASIPs)的相关子网是有效的。
In addition to the restrictions above, for MQTs over non-relational nicknames, the SQL statement defining the MQT must be valid for the non-relational data sources involved.
除了上面的限制外，对于非关系昵称上的MQT，定义MQT的sql语句对于涉及的非关系数据源必须是合法的。
There must be one completely blank page other than the last page, available in each passport and each passport must be valid for at least six (6) months prior to travel.
每本护照须包含除最后一页外的至少一整页空白页、且护照必须在行程前至少六个月有效。
Note that the entry posted must be valid — that is, it must have the id, author and updated elements even though many APP servers will choose to ignore and overwrite the client-provided values.
要注意，发出的记录必须是有效的，就是说必须有id、author和updated元素，虽然很多APP应用程序选择忽略或改写客户机提供的值。
All customers travelling on TransLink services must be in possession of a valid ticket before boarding.
所有使用联运服务的乘客在登机前必须持有有效机票。
Assuming that your XHTML document is valid (and it is, right?), the id matching queries will only return one element, because IDs must be unique in a valid XML document.
假设您的XHTML文档是有效的(确实是的，对吧？)，ID匹配查询将只返回一个元素，因为在有效的XML文档中，ID必须是惟一的。
Usually, an XML document must be well formed and valid for an application to process.
通常，只有结构良好和有效的XML文档才能被应用程序处理。
Usually, an XML document must be well formed and valid for an application to process.
通常，只有结构良好和有效的XML文档才能被应用程序处理。
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