The multiplication of correlation could be implemented just by pseudo random gating sampling (analog) or data reservation control and rejection (digital).

相关处理乘法可简单地用伪随机门控采样(模拟)或伪随机控制数据保留与剔除(数字)方法实现。

youdao

What differentiates them is whether their systems require proprietary hardware and software, the level of control restaurants maintain over the reservation process and how restaurants pay for the service.

CNN: Online restaurant reservations really do work

As they get more familiar with the hotel industry, more owners are opting for franchising, a system in which they pay for a chain's name, reservation network and marketing, but manage and control the hotels themselves.

ECONOMIST: Asia��s hotels

The county's fire authority said the car appeared to have gone out of control in the wintry conditions and hit the central reservation.

BBC: Big freeze tightens its grip on England