Foldable white canes help the visually impaired navigate their surroundings, but the guide stick's tactile (preceptible by touch or apparently so) nature offers only so much information. The cane's user must manually find and avoid obstructions, but

发表于:2018-12-24 / 阅读(28) / 评论(0) 分类 2015年Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(四)月

超声成像 ultrasonic imaging 实时成像 real-time imaging 灰阶显示 gray scale display 彩阶显示 color scale display 经颅多普勒 transcranial doppler 彩色多普勒血流显像 color doppler flow imaging 彩色血流造影 color flow

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 医学英语

Urine Analyzer 尿液分析仪 blood sugar(glucose ) analyzer血糖分析仪 test strip 测试条 reagent 试剂 Semi-automatic Biochemical Analyzer半自动生化分析仪 Automatic Blood Cell Analyzer全自动血细胞分析仪 Urine sediments

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 医学英语

The device is a tiny sensor, implanted through a catheter in the heart's pulmonary artery. The procedure takes just seven minutes. The patient passes a wand over his chest, collecting data on heart pressure. That data is sent electronically to the do

发表于:2019-02-02 / 阅读(50) / 评论(0) 分类 VOA标准英语2010年(六)月

Vibrating gloves will soon replace the white cane to help blind people see their surroundings. 不久的将来,振动手套将取代盲杖帮助盲人看见周围的环境。 This is the prediction of a British team who has developed a prototype gl

发表于:2019-02-03 / 阅读(32) / 评论(0) 分类 阅读空间