12 2018 档案

L209

摘要：China's Chang'e-4 probe entered a planned orbit Sunday morning // to prepare for the first-ever soft landing on the far side of the moon, the China Na 阅读全文

posted @ 2018-12-31 11:07 keep1 阅读(180) 评论(0) 推荐(0)

L208

摘要：A hundred years ago it was assumed and scientifically “proved” by economists that the laws of society made it necessary to have a vast army of poor an 阅读全文

posted @ 2018-12-29 13:58 keep1 阅读(197) 评论(0) 推荐(0)

L207

摘要：The leaders of the two countries are planning their summit meeting with a (pledge) to maintain and develop good ties.两国的领导人计划举办一场发表誓约的峰会以维持和发展彼此良好的关系。阅读全文

posted @ 2018-12-28 13:41 keep1 阅读(212) 评论(0) 推荐(0)

L206

摘要：There are so many new books about dying that there are now special shelves set aside forthem in bookshops , along with the health 一diet and home-repai 阅读全文

posted @ 2018-12-27 14:10 keep1 阅读(238) 评论(0) 推荐(0)

L205 EE

摘要：As an Electrical Engineer at P, you will: Design, build, and verify PCBAsCreate, modify, and update schematics, BOMs, and PCB layouts for new and exis 阅读全文

posted @ 2018-12-27 08:37 keep1 阅读(174) 评论(0) 推荐(0)

L204

摘要：Riding a bike is good exercise and great fun. But what do you do with a bike after you outgrow it? NicoleBasil, 12, has a terrific answer to this ques 阅读全文

posted @ 2018-12-26 19:43 keep1 阅读(297) 评论(0) 推荐(0)

2018.12.25 SOW

摘要：1. Understanding Customer Requirements 11.1. Project Overview 21.2. System Requirements 21.3. Industrial Design and Mechanical Requirements 31.4. Perf 阅读全文

posted @ 2018-12-25 16:05 keep1 阅读(118) 评论(0) 推荐(0)

L203 词汇题

摘要：Conditions for the growth of this plant are optimum in early summer.we will live as free people, not in fear and never at the mercy of （under the cont 阅读全文

posted @ 2018-12-25 13:50 keep1 阅读(296) 评论(0) 推荐(0)

L202

摘要：Yuan Cao’s teenage years were hardly typical. By age 18, he had already graduated from high school, completed an undergraduate degree at the Universit 阅读全文

posted @ 2018-12-25 08:56 keep1 阅读(340) 评论(0) 推荐(0)

L201

摘要：The American public’s obsession with dieting has led to one of the most dangerous healthmisconceptions of all times. Many television ads, movies, maga 阅读全文

posted @ 2018-12-24 13:36 keep1 阅读(238) 评论(0) 推荐(0)

L200

摘要：Last week, I read a story about a 34-year-old British woman who is extremely afraid of metal forks.She’s been using plastic ones for 17 years because 阅读全文

posted @ 2018-12-24 09:06 keep1 阅读(241) 评论(0) 推荐(0)

2018

摘要：反回来看，一年来，每天的工作太繁琐重复了，没有迭代，技术没有得到明显的提高，扯皮的本领提高了一些。阅读全文

posted @ 2018-12-22 09:59 keep1 阅读(114) 评论(0) 推荐(0)

2018.12.21 Cmos- RF

摘要：1 PSK 趋肤效应 50欧匹配 smith s参数：在datasheet里面会有 Information coding Bluetooth ： Continous Variable Slope Delta-Modulation (CVSD) 常见的：OFK: O1开关控制，FSK调频 PSK调阅读全文

posted @ 2018-12-21 16:43 keep1 阅读(193) 评论(0) 推荐(0)

L198

摘要：One of the most common birth defects throughout the world is a cleft lip. Babies born with a cleft lip may also have a cleft裂开的 palate, where the roof 阅读全文

posted @ 2018-12-21 08:48 keep1 阅读(205) 评论(0) 推荐(0)

L196 Hospital educations

摘要：Surprisingly，no one knows how many children receive education in English hospitals，still less the content or quality of that education. Proper records 阅读全文

posted @ 2018-12-20 13:51 keep1 阅读(245) 评论(0) 推荐(0)

2018.12.20 L195

摘要：Every Brazilian, including current and former members of the armed forces, will have to compromise under the next administration's pension reform plan 阅读全文

posted @ 2018-12-20 08:55 keep1 阅读(123) 评论(0) 推荐(0)

2018.11.27 元器件选型(2)- 连接器

摘要：1.连接器Connector key parameter： Pitch:间距如2.54mm 2.0mm 0.65mm no. of pole：PIN针 Latch：卡锁 Shrouded 覆盖 Polarised:极性 Row: single,Double Entry:插入方式Top Side 拉阅读全文

posted @ 2018-12-18 20:23 keep1 阅读(205) 评论(0) 推荐(0)

L194

摘要：For many of us, asking for help is it difficult concept. We may feel as if we are admitting a weakness that theworld would not have known about, had w 阅读全文

posted @ 2018-12-18 09:07 keep1 阅读(300) 评论(0) 推荐(0)

L193

摘要：Real generosity toward the future lies in giving all to the present.将一切奉献给当下，就是对未来的真正慷慨。The wheels of the car rubed on the land with seveal lines draw 阅读全文

posted @ 2018-12-17 08:44 keep1 阅读(158) 评论(0) 推荐(0)

L192 Virgin Galactic Completes Test of Spaceship to Carry Tourists

摘要：Virgin Galactic says its spacecraft designed to launch tourists into space completed an important test flight on Thursday.The rocket ship, called Spac 阅读全文

posted @ 2018-12-15 09:45 keep1 阅读(244) 评论(0) 推荐(0)

2018.12.7 L190

摘要：China called for the immediate release of Meng Wanzhou, chief financial officer of Huawei Technologies Co, on Thursday after Canadian authorities arre 阅读全文

posted @ 2018-12-07 10:28 keep1 阅读(150) 评论(0) 推荐(0)

L188

摘要：This is the view from the instrument deployment camera of InSight, America’s latest probe to Mars, which landed safely on November 26th. InSight joins 阅读全文

posted @ 2018-12-05 08:48 keep1 阅读(252) 评论(0) 推荐(0)

2018.12.2 频谱分析

摘要：1基础概念：时域：用示波器，观察信号的波形信息（幅度周期频率）频域：频谱分析仪，观察信号的频率分布信息（频率功率谐波杂波噪声干扰失真）调制域：适量分析仪，信号的矢量信息（幅度误差，矢量误差，相位误差） 2 频谱仪测试原理：工作原理如下图 3仪器设置 RBW设置对测试的影响阅读全文

posted @ 2018-12-03 16:07 keep1 阅读(1255) 评论(0) 推荐(0)

L187 DKK2

摘要：Why can millions of hairs grow from our heads, and yet our palms手掌 and the soles of our feet are as bare as anything? It all comes down to a special m 阅读全文

posted @ 2018-12-03 12:00 keep1 阅读(223) 评论(0) 推荐(0)

L185 Ocean Shock

摘要：This is part of "Ocean Shock," a Reuters series exploring climate change's impact on sea creatures and the people who depend on them. Norway has built 阅读全文

posted @ 2018-12-01 09:11 keep1 阅读(131) 评论(0) 推荐(0)

12 2018 档案

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