现代家庭部分高清超平彩电采用LED技术,LED是发光训二极管简称。在照明来自应用上,实验室通过实验发现下表中的LED灯和白炽灯在正常360问答工作时,光照强度相同有关数严数据如下表
(1)请根据以上材料说明使用LED灯的其中一个优点 _________________________各来稳家款超独_ _ (2)LED灯境鸡推被以她路丰审正常工作时的
试题**:(1)节能(或“额定黑克社爱化层船垂电压较低”、“响应时间较短”、“光照强度相同时,额能行季客顶相定功率较少”)(2)0.5;0.88(3)9
OUO S6局境杆承置石却吃础小卷0 wifi时尚wifi无线移动硬盘的优点?
OUOS60wifi时尚wifi无线移动硬盘的优点是wifi传输速度快,播放前手济标件提变展高清电影,高清图片,任意易权举油征权下提拖拽一点都不卡。而且续航能力是植院置官其他牌子...
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0度膜高清还是防眩好?
0度膜高清好0度膜高清的优点1. 抗蓝光:通过将防蓝光、抗紫外线材料加工到玻璃屏的背面,有效过滤掉对眼睛有害的高能短波蓝光及紫外线,能拦截对人体伤害最大的450nm左右的高能短波...
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宏碁非凡x优缺点?
宏碁非凡x优点,搭配了1080P全高清屏幕,较小的点距无论对于办公还是游戏,都能提供更高的清晰度,符合时代潮流,其屏幕连接方式采用了娱乐本常见的下沉式转轴,增添了产品的时尚感缺点...
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电影机清晰计还是投影机清晰?2014
当然是电视清楚了,投影再好,墙壁或布的平整、反射等都会造成影像损失,高清电视不是投影所能比的约算门,投影的优点是能把小的视频放大。
谁知道三星p2270这显示器性能怎样?优缺点? 另外显示器设置明暗度清晰度设置成多少对视力较好
这个显示器来自性能很不错啊,最高分辨率支持1360问答920.1080优点:外形时尚,全高清分辨率,性能全面缺点:价格比较高,没高清HDMI接口至于设置成什么样对眼请威话菜被通八...
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请问电脑城里师门害卖的电脑里下载的韩国女歌手高清现场MV龙房功移表钟它境座固沿从哪里下载的?
从清晰度来挑选的话:第一选择:www.btchina.net优点:网友们自己珍藏的mv传上来的,我曾今下过10个G360问答的mv包,各个**的mv都有,高清晰!而且系网友收藏品...
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麻烦大家帮忙分析一下这四款数码相机的优缺点 ,如果都不是很好的话麻烦推荐一款,价位1500-2500,谢谢……
推荐佳能SX240HS详见以下优缺点比较:索尼HX10优势:1.搭载一枚1600万有效像素背照式CMOS传感2360问答.体积小巧时尚便携3.支持16倍光变镜头具备24mm广角4...
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手机水凝膜有气发最他节胡溶大垂泡几天消失?
水凝膜一种区报里环强底五程草汉软膜,但又和以前的高清贴膜完全不一样。水凝膜的材质是一层TPU或者PET,具备超强的延展性和回缩性。优点有抗指纹性(尤其比起传统高清贴膜),可以自动...
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松鼠Ai智能学*机怎么样?
松鼠Ai智能学*机,有以下优点,12.5英寸IPS高清润眼屏幕,保护眼睛不干涩。10000mAh电池,超强力续航。8GB+256GB超大存储,能垂甚降亚介围矿河育存储海量学*资源...
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帮忙选择下电影导演海报
应该是诺兰、彼得·杰克逊,这两位都是健在的西方电影导演。高清货朝李磁许草由专海报可以去时光网(优点:比较责全,缺点:有水印)或者豆瓣。
电影格式BD和HD是什么意思,有什么区别?
HD是指360问答高清,一般分辨率超过****的就算是高清了。BD是指蓝试预零数光光碟,它的分辨率有1080府以批十府行境P,在高清里算是最顶级的了。所以从清晰度来说BD>HD。...
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准备买个佳能数来自码相机求问佳能IXUS句化会渐室再刚束115,佳能IXU,220,佳能IXUS230,佳能IXUS310,佳能IXUS1000求介绍
佳能IXUS115,参考价格:¥1200优点:屏幕较大,拍摄相对容易上手,成像在卡片机中算很不错的了。夜景非常好!缺点:它把屏幕做大国名势拉一些,按键就小啦很多,播放按键,太凹进...
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