jobtracker守护进程请求datanode执行MapReduce作业，这会产生相当多的输出(这里的输出比较少是因为只处理两个文件)。
The jobtracker daemon requests that the datanode perform the MapReduce job, which results in a considerable amount of output (smaller here, because you're only processing two files).
他们就开始使用含有较少碳含量的能源了—而且不仅仅是因为他们担心全球化变暖问题。
They start using sources of energy that are less carbon-intensive - and not just because they're worried about global warming.
黑巧克力比较健康是因为它的添加糖分较少。
Dark chocolate is also healthier because it has less added sugar.
这个版本的注释较少，但是那主要是因为ebnf语法的自我描述能力很强。
This version has fewer comments, but that is mostly because the EBNF grammar is fairly self-documenting.
这是因为LMS是轻量级的，具有的特性较少，并且使用更简单。
This is because the LMS is lighter, has fewer features, and is simpler to scale.
研究报告的主要撰写人丽娜·k·库夫·斯尔塔解释说，这主要是因为养宠物的人大多是中年人，他们受到的教育较少，而且处在健康比较容易出问题的年龄段。
This was largely because pet owners tended to be middle-aged, have less education and more health-risk factors, explained Dr.Leena K.Koivusilta, the study's lead author.
部分看这是因为它的业务，信息管，拥有无比巨大的社会利益，而且引起相对比较少的社会或环境消耗。
In part this is because its business, the management of information, has unusually large social benefits, and causes relatively few social or environmental costs.
每周至少要食用两次鱼，这是理论有很多依据的，不仅仅是因为鱼类含有较少的脂肪和卡路里。
There are a lot of reasons all people are encouraged to eat fish at least twice a week, not the least being that it's low in fat and calories.
或许是因为它们比较少见，我们潜意识里就更容易对其引起关注，这样我们就更容易记清楚这些梦境。
Perhaps this is because scary dreams are more memorable - a more effective way for your subconscious to get your attention.
我们可以得到，男性中多数用肥胖来解释产生高血压的原因，但女性则较少用其来解释，可能是因为一些导致高血压的危险因素尚未发现改变。
We see that much of the magnitude in men is accounted for by obesity, but less so in women, possibly because of some unexplored changes in risk factors for hypertension.
此外，一般的配件说明书中都允许维修车间维持较少的库存量，这是因为在不同的品牌和模型的台式计算机上可以使用相同的配件。
In addition, the common parts specifications allow a repair shop to maintain a smaller inventory because they can use the same parts in many different desktop computer makes and models.
那些有志于从事科学研究的人之所以能这样做，是因为这些都是他们真正想做的——虽然报酬相对较少，工作时间很长，也缺乏保障。
Those who stick with a career in science do so because, despite the relatively poor pay, long hours and lack of security, it is all we want to do.
这一方面是由于印度掌握高新技术的人较少，另一方面是因为某些项目需要公司员工亲自到场，尤其在咨询业方面。
That is partly because the required skills are scarce in India, and partly because a physical presence is needed for some tasks, especially in consulting.
这是因为，球员参加了比赛必须首先再生，然后他们的训练时间较少。
This is because the players who have played in the match must first regenerate and then they have less time for practice.
这是因为无内胎轮胎的经验较少的单位，甚至捏轮辋接触有时是好的。
This is because tubeless tires experience fewer pinch flats and even rim contact occasionally is okay.
“最近几年，也许是因为好莱坞想要尽量减少风险，制作的原创电影比较少，”他说。
"In the recent few years, perhaps because Hollywood movies are trying to minimize their risk, there are less original movies," he said.
这些分子要比汽油燃烧得更为清洁，部分是因为他们碳-碳键较少，而且即使会释放出碳氢化合物，也不太可能会成为臭氧。
These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds and the hydrocarbons they do emit are less likely to generate ozone.
研究报告的主要撰写人丽娜·k·库夫·斯尔塔解释说，这主要是因为养宠物的人大多是中年人，他们受到的较少，而且处在健康比较容易出问题的年龄段。
This was largely because pet owners tended to be middle-aged, have less education and more health-risk factors, explained Dr. Leena K. Koivusilta, the study's lead author.
同时，潮湿环境中的昆虫失去的身体重量也较少，可能是因为蒸发减少了。看来，这些蟑螂通过屏住呼吸来维持湿度。
They also lost less body mass, a possible sign of reduced evaporation. The roaches, it seems, hold their breath to stay wet.
研究报告的主要撰写人丽娜·k·库夫·斯尔塔解释说，这主要是因为养宠物的人大多是中年人，他们受到的教育较少，而且处在健康比较容易出问题的年龄段。
This was largely because pet owners tended to be middle-aged, have less education and more health-risk factors, explained Dr. Leena K. Koivusilta, the studys lead author.
也许是因为打棒球的孩子减少了，自己不打棒球的人是比较少去看球赛的。
It may be because fewer kids play baseball themselves. Those who don't play in their own life are less likely to show up at the stadiums.
史蒂文：我猜是因为英语的字母比较少。
Soga博士的队伍并没遇到这个问题是因为他们所处理的数据较少量。
Dr Soga's team did not encounter this problem because they were handling smaller amounts of data.
目前，它构成了我们的呼声一小部分问题赌徒从接收，但是这是因为电脑提供给赌徒人数较少只在这个国家。
It currently constitutes a small percentage of the calls we receive from problem gamblers, but this is only because of the low number of computers available to gamblers in this country.
目前，它构成了我们的呼声一小部分问题赌徒从接收，但是这是因为电脑提供给赌徒人数较少只在这个国家。
It currently constitutes a small percentage of the calls we receive from problem gamblers, but this is only because of the low number of computers available to gamblers in this country.
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