GDYJ-502 IEC60156 Transformer Oil BDV Tester 100kV High Voltage Breakdown Voltage Tester Introduction: GDYJ-502 0-100kV IEC60156 Transformer Oil BDV Tester 100kV High Voltage Breakdown Voltage Tester is designed according to GB-86 "Testing method of transfo...
研究发现,没有训练经验的人,运动单位放电频率在60-120赫兹,而有训练经验的人,频率可以达到200赫兹!差了两至三倍的放电效率,也是顶尖运动员和普通人的区别之一。 (普通人和运动员的放电频率差异) 而随着人的衰老,运动单位的放电频率也会下降:研究发现71-84岁的老年人与20岁的年轻人相比,发力率降低了48%、运动单...
What is 2023 New Arrival Z78 Ultra Smart Watch Watch 8 Z78 Ultra Series 8 Heart Rate ECG Sos GPS Smart Watch Amoled Screen, Z78 manufacturers & suppliers on Video Channel of Made-in-China.com.
54. Time is up. 时间快到了。 55. What's new? 有什么新鲜事吗? 56. Count me on 算上我。 57. Don't worry. 别担心。 58. Feel better? 好点了吗? 59. I love you! 我爱你! 60. I'm his fan. 我是他的影迷。 61. Is it yours? 这是你的吗? 62. That's neat. 这很好。 63....
One of the best 32-inch TVs you can buy is now even cheaper. Televisions The best soundbar deals 2025: Sonos, Sony, JBL, Bose and more ByLewis Empsonlast updated2 days ago DealsA decent soundbar can elevate your TV's sound to a whole new level – and with these deals, it needn'...
The 60-year-old is not an actor,but a(2) C However,he is more devoted to his "(3) A "than any real actor. In the 1990s,a group of thieves often sold stolen goods with the help of some beggars.To look into the(4) B,Wang disguised(伪装)himself and ...
Student: Parents’ weekend. You know, when our parents come to see what campus life is like. Professor: Oh, really? This is the weekend parents come? No, I hadn’t heard that. But is that a problem? Student: Well, it’s kind of bad timing. I mean, a lot of us will be spendin...
【解析】【答案】exciting news 【核心短语/词汇】exciting:令人兴奋的 【解析】本题考查汉译英。根据中英文对照内容, 可知此句话是what引导的感叹句,结构是“what +形容词+a/an+可数名词”,“令人兴奋的”译为“e xciting”;消息“news”为不可数名词,故其前不加 不定冠词a/an。故本题答案为:exciting news...
PEP四年级下册Unit2 What time is it? Part B Let’s talk教学设计 桐乡市志华中心小学 李中怡 一、背景介绍 1、单元简析 本单元的主题为时间,以学生作息时间为话题串联起整个单元的内容。该话题囊括了小学英语日常交际用语的多...
Heart rate is the number of times a person'sheartbeats per minute (bpm). An average normal heart rate at rest for adults ranges from 60 to 100 bpm, according to theMayo Clinic. The resting heart rate of an individual will vary depending on their age, body size,heart conditionsand medicat...