Double dagger: a typographic symbol used as a third order reference mark.

双剑号：用于第三个脚注的印刷字体附注符号。

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HDR records contain header information (such as the order reference) while LIN records contain the product descriptions.

HDR记录包含头部信息(如订单引用)，而LIN记录包含产品的描述。

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Then, through solving the slow time-scale problem by optimal control theory, the optimal reduced-order reference trajectory is obtained.

然后，应用最优控制理论得出慢时间尺度上的解，并将其作为降维后的最优参考轨迹；

youdao

In a statement, the Turkish military said it would act with "utmost sensitivity in order to avoid negative impact on local elements" -- a reference to keeping civilians out of the conflict.

CNN: Turkey launches major Iraq incursion

In SoftWide's stores, in contrast, 50% of the software sold is educational and reference software (much of which is otherwise only available by mail order), 30% is business software and only 20% games.

ECONOMIST: MONITOR

In order to sign in to the HMRC site, you will need to have your Unique Taxpayer Reference (UTR), which you will have received in previous correspondence.

BBC: Self-assessment deadline looms again