主标题 (H1或者H2)
This is the energy level diagram of H2.
这是H2的能级图。
H2 viruses may also pose a pandemic threat.
H 2病毒也可能造成大流行的威胁。
The question now is, is H2 stable or will it not form?
现在的问题是，H2稳定吗，它到底会不会形成？
However, H2 BOX still creates strong impact to people.
然而，H 2BOX仍然给人们带来了强烈的冲击。
How can I force H2 exception messages to be in English?
我怎么能力H 2异常消息将在英国？
If so, then the Hummer H2 is definitely the car for you.
如果是这样的话，那么肯定是悍马h 2车适合您。
By default, it will use H2 which needs no additional setup.
在没有进行额外配置的情况下，它默认使用H2。
The beginning of a subgroup is identified by an h2 element.
子组的开始部分由h 2元素定义。
Structuring page content with heading levels (h1, h2, etc.).
使用多级标题(h 1,h2，等等)结构化页面内容。
What is the energy change going from two atomic hydrogens to one H2?
什么是能量的改变，从两个原子氢到H2分子？
H2 BOX is an extension showroom of H2 CONDO displaying typical room unit.
H 2BOX是H 2公寓房间展示典型户型的一个延伸展厅。
Hydrogen is referred to as H2. It is a colourless, odourless and tasteless gas.
氢气的分子式为H2，它是一种无色、无溴和无味的气体。
Metoclopramide, in conjunction with an H2-receptor blocker, may be more efficacious.
胃复安联合h - 2受体阻断剂或许更有效。
Later on, we'll learn that hydrogen as we typically encounter it is H2, the molecule.
之后我们知道，氢气是H2，是一个分子。
H2 is formed when two hydrogen atoms come together and bind to one another to make a molecule.
当两个氢原子相遇并彼此结合在一起，便形成了氢分子。
But because H3N2 completely replaces H2N2 in people, no one born since 1968 has any immunity to H2.
但因为H3N2在人体完全取代H2N2所以在1968年之后出生的人没有一个人对H2有任何免疫性。
It's standard practice that h1 text is bigger than h2, and header text is bigger than paragraph text.
标准做法是h1的文字大于h2的文字，头部文字大于段落文字。
Earlier this week, Nocera reported devising a cheap catalyst that USES three different metals to form H2.
这周初，Nocera报道发明了一种廉价催化氢气形成的催化剂，使用了3种不同金属。
The H2 suboptimal control for continuous-time descriptor systems with dynamic output feedback is studied.
研究具有动态输出反馈的连续广义系统的H2次优控制问题。
Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.
氢分子(H2)在初生云周围散射热量，因此我们要知道在初生云中氢分子的数量。
Generally the first step in the GTL technology is the production of synthesis gas (H2 and CO) from natural gas.
天然气炼油技术的第一步一般是由天然气生产合成气(H2和CO)。
We've put the entire post title into an H2 heading and added the phrase "Post Title" to the beginning of the post title.
我们将整个文章的标题放到了一个H2标题中，并且在文章标题的开头添加短语“文章标题”。
Consider the more realistic case, where the h1 and h2 statements are hundreds of lines apart in a massive CSS stylesheet.
考虑更现实的情况，h1和h2语句是分隔在大量css样式表中的数百行。
The section headings (h1 and h2) appear at the same level as the paragraphs, with no structural tags to group the sections.
小节标题（h1和h2）出现在与段落相同的级别，并且未使用结构标记对小节进行分组。
The scientists are working on ways to recombine the protons and electrons back into hydrogen atoms and then molecules of H2.
科学家们目前正在研究使质子和电子重新组合为氢原子的方法，再使原子变为H2分子。
The effects of solvent, addition agent, H2 protective atmosphere and agent H2 pressure on catalytic reaction were investigated.
对反应溶剂、添加剂、H2保护和H2压力等影响因素进行了考察。
For instance, in XHTML, heading elements (h1, h2, h3, and so on) can be children of the body, a div, a table, and several other elements.
比方说，在XHTML中，标题元素(h 1、h 2、h3等等)可以是body、div、table或其他几种元素的孩子。
For instance, in XHTML, heading elements (h1, h2, h3, and so on) can be children of the body, a div, a table, and several other elements.
比方说，在XHTML中，标题元素(h 1、h 2、h3等等)可以是body、div、table或其他几种元素的孩子。
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