Chapter 2 describes the system part of MPEG-2 standard with focuses on PSI (Program Specific Information) and PCR (Program Clock Reference).

第二章主要讲述了MPEG - 2标准系统层规范，着重介绍节目特殊信息PSI和节目时钟参考pcr。

youdao

You program the clock with the latest time at which you want to be wakened, and it then duly wakes you during the last light sleep phase before that.

你给时钟设定了你想要醒来的最晚时间，然后它会在之前的浅睡眠阶段按时叫醒你。

youdao

A client program on the workstation might use the application server clock, but the time value will be different from what the user sees on the workstation itself.

在工作站上的客户机程序可能使用应用服务器时钟，但是时间值将因用户在工作站本身所看到的东西而不同。

youdao

"We are all concerned about Iran running out the clock on us on their nuclear program,".

VOA: standard.2009.09.17

Pivot will program around the clock (no long-form infomercials padding fringe periods).

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The NYPD is not being tremendously forthcoming about what the round-the-clock, massive surveillance program entails.

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Not surprisingly, according to one Harvard expert, Medicaid overpayments routinely clock in at 6-7 percent (based on official government audits) and the program is rife with fraud.

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