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1·WWD Sunday and Holiday excepted, unless used, but only time actually used to count.

良好天气工作日，周日和节假日除外，除非已使用，但仅按照实际使用时间计算。

2·It is also bulky to transport and needs long gelling times unless used at very high concentrations.

而且笨重造成运输困难，凝胶时间长，除非需要浓度非常高的胶体。

3·Lay-time for loading shall commence 6 running hours after tendering of notice of readiness unless used, in which case, actual time used to count.

延迟装运时间(停工时间)应自备装通知发出后6小时内开始计算。

4·The conservatory will get very hot in summer unless shading is used.

夏天如果不用遮光罩的话，暖房会变得非常热。《柯林斯英汉双解大词典》

5·Unless under medical supervision, sunbeds or sunlamps should not be used.

除非在医生监督下，否则日光浴浴床或太阳灯不应使用。

6·Not entirely disallowed of course, but simply not used unless actually needed.

当然不会完全禁止，但除非真正需要就不要使用。

7·You should generally avoid such an index unless your application is mostly read-only and you really cannot predict which elements will be used in search conditions.

一般情况下，应该避免使用此类索引，除非应用程序大部分是只读的，并且确实无法预测在搜索条件中使用哪些元素。

8·Unless you have a very primitive E-mail system, it probably has some system (usually called folders) that can be used to permanently store messages for recall at any time in the future.

除非你使用非常原始的邮件系统，否则它都会提供一个功能(通常叫“文件夹”)来永久保存邮件，方便日后随时查看。

9·Finally, unless Advanced Message Queuing Protocol (AMQP) is used, there is no on the wire interoperability between messaging implementations from different vendors.

最后，除非使用了 高级消息队列协议(AMQP)，否则不同供应商的消息实现之间不会有线上的互操作性。

10·Unless SQLJ was chosen as the API, all other access choices used dynamic execution.

除非已选择 SQLJ 作为 API，否则所有其他访问都选择使用动态执行。