Methods A random, double blind, and placebo control study was conducted.

方法采用随机双盲、安慰剂平行对照研究。

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Methods: Prospective, double-blind control study.

方法：前瞻性、双盲对照研究。

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METHODS: The parallel double blind randomized control clinical trial was used.

方法：采用平行双盲随机对照研究。

youdao

In the double-blind, randomized control trial, half the women got tenofovir gel and half got a placebo.

CNN: Gel cuts HIV transmission rate in study

But with optional features like racing-inspired paddle shifters, blind-spot detection, adaptive cruise control and massaging seats, the price escalates quickly.

FORBES: Ford's New $45,000 Taurus

Ford's prototype system aims to lessen distraction by taking readouts from biometric sensors and combining the data with information from the car, including speed, steering-wheel angle, and data from radar sensors or cameras used in blind-spot obstacle detection or cruise control.

WSJ: Designing a Car That Takes Your Pulse, Senses If You're Ill