View Full Version : Samsung Z150
Comprei recentemente um Z150 e tenho uma questão a colocar: quando envio algo a partir do telemovel, por bluetooth, pede sempre código, como protecção. As pessoas a quem eu enviar podem n colocar o codigo q eu coloco. Por isso a maioria das vezes não consigo emparelhar os dispositivos. Como contornar isso?
Quando comprei o telemóvel reparei que tinha lá algumas fotos bloqueadas que não me interessam para nada. Alguém sabe com as remover? O sistema pede sempre para desbloquear primeiro, mas como?
Ninguém sabe responder à questão?
zhangqiang41
05-09-2011, 03:22 PM
这里要讲的只是在纯粹为了seo (http://www.seomvp.cn)而优化文章的情况。第二,本文所介绍的方式并不能生搬硬套到实际的文章优化工 作中去。第三,过分的为了网站seo优化刻意的优化文章可能会造成适得其反的效果。
本文主要是为了介绍几种优化文章的方式,同时给与笔者一样的菜鸟SEO (http://www.seomvp.cn)er理清优化文章的思路。
1.关键词密度 SEO (http://www.seomvp.cn)。
关键词密度就是某一关键词在通篇文章中出现的次数百分比,这个很好理解。早期的时候,搜索引擎认为关键 词在文章中出现的词频越高,该文章页面与这个关键词的相关性就越大。在搜索该关键词时返回的搜索结果排名中 ,该文章页面也将获得更好的排名。这样的排名算法很快就被众多站长所利用,在某一文章中出现大量与之无关的 关键词,从而“骗取”该关键词的排名。于是,关键词堆砌的黑帽seo (http://www.seomvp.cn)优化手法就此诞生,这是题外话。
总之早期“词频”的概念中并没有考虑文章长度的问题,而现如今“密度”的概念就考虑文章长度后的词频概 念体现。
目前网上比较普遍的说法是将关键词密度控制在2%~8%,笔者不否认其正确性。但是据笔者观察低密度1 %~2%的文章页面获得靠前排名的也不是没有。所以一般来说,短篇幅的文章页面关键词出现两到三次就行了。 较长篇幅的文章页面关键词出现5~8次就足够了,千万不可过分堆砌关键词。只要正常写作,文章中自然出现关 键词就OK了 英文SEO (http://www.seomvp.cn)。
2.文章头尾出现关键词。
文章的开头是搜索引擎蜘蛛最先读取的内容,所以这一部分相对来说权重略微高一些。在正文前50到100 字内出现关键词,特别是用关键词作为开头 沈阳SEO (http://www.seomvp.cn),如此能有效的优化文章与之的相关性。但是通常情况下,即使是刻意在文章开头 出现关键词也要秉着自然出现的原则。
此外,可能是出于绝大部分传统文章都会在结尾部分对整篇文章进行总结的缘故,文章末尾出现目标关键词也 是公认的一种提高文章相关度的方法。
3.关键词形式变换。
优化文章时出现关键词并不是所有关键词都非要以目标关键词的形式出现,通常还会为了使语句更为通顺而采 用其他的关键词形式。写文章的时候可以适当的融入关键词的变化形式也不失为一种优化文章关键词的方法。通常 关键词变化的形式包括同义词、近义词、对同一件事物不同说法的词等等。
另外,同一关键词不同语种的体现形态是否会被搜索引擎识别,目前还无可靠依据。但是以拼音形态出现的关 键词,百度似乎还是能够鉴别的。
4.关键词拆分。
这个方法适用于关键词组,也可以视作是关键词形势变换的一种。
就拿本文关键词“优化文章”来说,除了以该形式出现之外,还可以拆分成“优化某一篇文章” 的形式出现。
当然,关键词以拆分的形式出现时还是要尽可能的保证被拆分关键词的临近度,尽量使被拆分的词中间间隔的 文字数减少。
5.关键词似拆非拆。
这个比较难解释,平时碰到的情况也不太多。
还是以“优化文章”为例,关键词可以以这样的形式出现:“写文章优化某个关键词时”。
最后总结一下,其实在写文章的时候 外贸SEO (http://www.seomvp.cn),只要明确中心思想,关键词自然出现那是必然的。而思路以及结构较为明确的文 章,通常都会在文章开头做总起,文章结尾做总结,关键词也就自然而然的出现在了文章首位部分。而如不刻意针 对某一关键词,在文章中出现不同形态的关键词也是很正常的。
本文转载自中国电子商务研究中心:http://b2b.toocle.com/detail--5912864.html
yushaoli20
06-10-2011, 10:41 AM
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