A computer component that supplies regulated DC power to hardware.

• Converts AC mains to the voltages required by a PC.

向计算机硬件提供受控直流电的电源组件。

• 将市电交流转换为PC所需的多路电压。

A person or business that uses a payment service provider's services.

• Regulated term in financial services and payments.

使用支付服务提供商所提供支付服务的个人或企业。

• 金融支付领域的监管术语。

A unitless measure of seawater salinity on the PSS-78 scale.

• Often written as psu in oceanography.

在PSS-78标度上表示海水盐度的无量纲度量。

• 海洋学中常写作 psu。

The first-stage sampling unit selected in multistage sampling.

• Used in survey design and cluster sampling.

多阶段抽样中在第一阶段选取的抽样单元。

• 用于调查设计与整群抽样。