H1 So we know already what h1 is.

我们已经知道。

Try to stick to one H1 tag per page.

尝试将重要关键词贴在每一页的每一个H1标签上。

Yesterday snapshot is 16, I again went to the h1, today updated, on the ranking, the snapshot still got h1.

昨天快照是16号，我又把h1去了，今天就更新了，排名也上了，快照里还是有h1。

The following rule matches all H1 elements in the document tree

如下的规则匹配文档树中所有的H1元素

H1 3 but I claim there is an uncertainty of about three millimeters.

米高，h，one，is，three，meters,记得写上不确定度,是3毫米左右。

Both of H1 and H2 are affected by technique of take-off leg and swing leg.

起跳腿与摆动腿的技术动作在影响H1高度的同时又不同程度影响到H2高度；

Now, take a look at three selectors in Listing 7. They are div#wrap, p, and h1.

现在，看一下清单 7 的三个选择器。 它们是 div#wrap、p 和 h1。

The expression of nm23-H1 was negatively related to cervical lymph-node metastasis.

H1表达与肿瘤颈淋巴结转移呈负相关。

Therefore, we investigate the expression of B7-H1 and B7-H4 in human colon and rectal carcinoma tissues.

目前，关于B7-H1和B7-H4在结肠直肠癌上的表达及其在肿瘤发生、发展中作用的报道非常少。

The body of the page includes a single div element, which includes a heading element (h1) and a form element.

页面的正文包括一个单个的 div 元素，该元素包含一个 heading 元素（h1）和一个 form 元素。