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第 1 页 共 2 页 角处理小专题 汪曾祺学校 段广猛 问题 1：如图，已知点 A（1,3），点 B（2,1），试猜想∠AOB 的度数，并证明你的猜 想.（确定性；一题多解） y x A B O 问题

巩固和发展良好政治生态 ——廉政微党课 同志们： 大家受党和人民的委派，主政一方、主管一线，责任重大、 使命光荣。市委对大家高度信任、寄予厚望。但是，信任不能代 替监督，特别是大家作为党组织书记，对一个地方、一个部门的

我的第一本紫微斗数书 奶瓶级飞星算命术大释放 紫薇白娘子 虚晴 2011 哄小宝宝力作 出品 白娘子斗数日月谭 QQ 群：136108750 2 这是一本什么书 可以一眼看穿自己的算命书 简单到不能再简单的算命书

如何制作优秀微课？ 一、微课 1、微课定义 微课是指基于教学设计思想，使用多媒体技术在五至十分钟以内 就一个知识点进行针对性讲解、模拟一对一教学情景的一段视音频。 这些知识点，可以是教材解读、题型精讲、考点归纳；也可以是

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The line graph compares average yearly spending by Americans on mobile andlandline phone services from 2001 to 2010.It is clear that spending on landline phones fell steadily over the 10-year period,while mobile phone expenditure rose quickly. The year 2006 marks the point atwhich expenditure on mobile services overtook that for residential phone services.In 2001, US consumers spent an average of nearly $700 on residential phone services,compared to only around $200 on cell phone services. Over the following five years,average yearly spending on landlines dropped by nearly $200. By contrast,expenditure on mobiles rose by approximately $300.

Features Low voltage drop: 0.17V@100mA High input voltage: 15V Low temperature coefficient Large Output Current: >0.35A Low Quiescent Current: 1.0uA Output voltage accuracy: tolerance ±2% Built-in current limiter SOT89 and SOT23-3 package

Features Low power consumption:25uA (Typ.) Low voltage drop:0.2V@100mA(Typ.) Low output noise(27uVRMS) Standby Mode: 0.1uA Low temperature coefficient Output Voltage Range: 0.9V~5V Good line Regulation:0.05%/V High Ripple Rejection: 70dB@1kHz(Typ.) High input voltage (up to 7V) Output voltage accuracy: tolerance ±2% Build-in Enable/Output Current Limit circuit

 Low power consumption Low voltage drop Low temperature coefficient Low Quiescent Current: 1.5uA at 6V Output voltage accuracy: tolerance ±2%Applications Battery-powered equipment Reference voltage sources Cameras,video cameras Portable AV systems Mobile phones Portable games

Features Low power consumption Low temperature coefficient Built-in hysteresis characteristic High input voltage (up to 15V) Output voltage accuracy: tolerance ±2% TO92, SOT89 SOT23-3 and SOT23 package

Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 18V) Output voltage accuracy: tolerance ±2% TO92, SOT89 ,SOT23-3and SOT23 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment

．１６７３ －５０１３ ．２０１２ ．０４ ．０１７ 微 柱 凝胶 法交 叉配 血不 合原 因分 析 宋雪珍１ 　 宋雪梅２ 　 孙凌云１ 　 任小宁１ 　 宋旗悦２ １（威海市立医院输血科 ，山东威海

Features Low power consumption Low temperature coefficient Built-in hysteresis characteristic High input voltage (up to 10V) Output voltage accuracy: tolerance ±1% or ±2% TO92, SOT89, SOT23-3 ,SOT23 and SOT23-5package

怎样搭建移动学习平台以学习需求为中心的资源体系以驱动自主学习为核心的运营体系以方便学习者学习的信息化支撑体系

Features Low power consumption Low voltage drop Low temperature coefficient High input voltage (up to 18V) Output voltage accuracy: tolerance ±2% TO92, SOT89, SOT23-3 and SOT23 packageApplications Battery-powered equipment Communication equipment Audio/Video equipment

Features 2V to 24V Input Voltage Up to 28V Output Voltage Integrated 80mΩ Power MOSFET 1.2MHz Fixed Switching Frequency Internal 4A Switch Current Limit Internal Compensation Thermal Shutdown Output Adjustable from 0.6V Available in a 6-pin SOT-23 package

Features Quiescent Current: 4.2uA@12V PSRR:60dB@100Hz Voltage drop:600mV@100mA ESD HBM:8KV High input voltage (up to 40V) Output voltage accuracy: tolerance ±2% Output current:100mA(Typ.) TO92 and SOT89 package

Features Wide 3.3V to 16V Operating input Range 2A Continuous Output Current No Schottky Diode Required 600KHz Frequency Operation Built-in Over Current Limit Built-in Over Voltage Protection Internal Soft start Output Adjustable from 0.6V Integrated internal compensation Short Protection with Hiccup-Mode Thermal Shutdown Available in SOT23-6 ,Package -40℃ to +85℃ Temperature Range

Features Low power consumption Low voltage drop Low temperature coefficient Low Quiescent Current: 5uA at 6V Output voltage accuracy: tolerance ±2%Applications Battery-powered equipment Reference voltage sources Cameras,video cameras Portable AV systems Mobile phones Portable games

长沙微领地网络科技有限公司 从 VR 店铺的上线看微领地小蜜市场前景 新电商时代的到来，以 VR、AR 为代表的不少新科技被融入进电 商平台的发展之中。个人流量平台微领地小蜜，就结合时下较为流行 的 VR