The costs of table scans can be fairly low if the data in the table is clustered or if it is in physical order.
如果表中的数据进行了群集化处理，或者是有物理次序的，那么表扫描的成本就可能相当低。
"I might be tricked (with a fake), but the possibility is quite low if you know what you're doing, " she says.
她说：“我有可能上当，但如果你知道自己在干嘛，这可能性就相当低。”
The costs can be low if the data sources have similar data models and only simple transformation operations are required.
如果数据源具有类似的数据模型，并仅需要执行简单的转换操作，那么其成本可能很低。
Selenium can be low if the food is grown in selenium deficient soil, so a Brazil nut a day provides a useful insurance policy.
在缺乏硒的土壤中长的食物含硒量就会低，而每天一颗巴西坚果，为摄取硒提供了有益的保障。
Third, you can feel like your blood glucose is low if your blood glucose rapidly drops from a high level to a normal level.
第三，如果你的血糖从很高的水平快速降低，你可能会有低血糖的感觉。
Use UPDATE STATISTICS LOW if the number of rows has changed significantly or after migration from previous version of database server.
如果被更改的行数很多，或者刚在不同版本的数据库服务器之间完成迁移，则应使用UPDATESTATISTICSLOW。
An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper, where double-conversion low IF architecture is employed.
该电路采用二次变频低中频结构，集成了低噪声放大器、上变频混频器、下变频混频器等模块。
In the northern part of our country where the climate is dry and rainless, the afforesting survival rate is very low If repeat afforestation, it enable production sustain a loss.
我国北方地区干旱少雨，地表水源缺乏，造林成活率很低，重复造林使生产蒙受巨大损失。
As being one of important characteristic of object-oriented language, Inheritance is often used during system design phase, but the system flexibility will become low if it is used without control.
继承作为面向对象语言的一个重要特性，在系统设计时经常被用到。但继承的滥用会导致系统的灵活性大大下降。
Because there is no power control in CPICH, the received common pilot signal power is possibly very low if the mobile is far from the base station, and this time the channel estimates is inaccurate.
由于公共导频信道无功率控制，有可能在接收端接收到的公共导频信号的功率很低，使得信道估计的误差变大。
If a kid's grades are low, Mick requires a teacher's note "saying that you're doing your best," Mick says.
如果一个孩子的分数很低，米克就会要求老师给他一张便条来“说你已经尽力了。”米克说。
If he didn't find a shelter, his body temperature would get very low, which could quickly kill him.
如果他没有找到庇护所，他的体温会变得很低，最终会让他致命。
If not corrected by the appropriate carbon price, low fossil fuel prices are not accurately signaling to markets the true social profitability of clean energy.
如果不通过适当的碳价格加以纠正，低化石燃料价格就不能准确地向市场显示出清洁能源真正给社会带来盈利的能力。
If the dog's hackles are up, gives a low decibel growl, or engages in a predatory, stalking posture, then there is probably a danger in the environment.
如果狗颈部的毛都竖立起来，或是它发出低分贝咆哮，或是呈掠夺、跟踪姿势，那么周围肯定存在危险。
If you really want to eat fruits or vegetables before runs, zucchini, tomatoes, olives, grapes, and grapefruit are all low in fiber.
如果你真的想在跑步前吃水果或蔬菜，西葫芦、西红柿、橄榄、葡萄和葡萄柚都是低纤维的。
If a child of any color or group is doing poorly in school it seems to us very important to know whether it is because he or she is of low intelligence, or whether some other factor is the cause.
如果任何一个肤色或种族的孩子在学校表现不好，在我们看来，知晓这是否是因为他或她的智商低还是其他因素是非常重要的。
There have been no studies of the effects of a low carbohydrate diet on pregnancy, so its effect on the fetus, if any, is unknown.
目前还没有关于怀孕时低碳水化合物饮食影响的研究，因此如果它对胎儿有什么影响也是不知道的。
Progress in the development of renewables could be fragile, however, if fossil fuel prices remain low for long.
然而，如果化石燃料价格长期保持低位，可再生能源的发展进程可能会非常脆弱。
However, if the job to be filled is a managerial post in a large bureaucratic organisation, a candidate who las a high need for power and a low need for affiliation should be selected.
然而，如果要填补的职位是一个大型官僚机构的管理职位，则应选择一个高权力需求和低从属需要的候选人。
If the method works, it could provide farmers in Botswana—and elsewhere—with a low-cost, sustainable tool to protect their livestock, and a way to keep lions safe from being killed.
如果这个方法奏效的话，它能给博茨瓦纳以及其他地区的农民提供一种低成本、可持续的手段去保护牲畜，同时也能避免狮子被杀死。
I asked the shop owner if he was surprised that his fellow Japanese would stoop so low.
我问店主，他是否对他的伙伴如此堕落而感到惊讶。
Some seeds may germinate in three days even if they have been exposed to very low temperatures for a long time.
即使长时间暴露在极低的温度下，有些种子也能在三天内发芽。
When you buy high and sell low, it's really hard to generate returns, even if you do it with great enthusiasm.
当你高价买入低价卖出时，即使你带着极大的热情做它，也很难产生收益的。
The strangers were good at judging if the person they were looking at was tired, and, if they were sleepy, their attractiveness score was low.
这些陌生人善于判断他们所注视的人是否疲倦，而如果他们昏昏欲睡，他们的吸引力得分就会很低。
However, if safe areas like those prey animals have in the wild are provided, the prey population drops to low level but not extinction.
然而，如果能给被捕食的动物提供一些它们在野外时那样的安全区域，它们的数量会降到很低但不灭绝。
If you have no specialized skills, there's little reason to uproot to another state and be the last in line for a low-paying job at a new auto plant or a green-energy startup.
如果你没有专业技能，你就没有什么理由背井离乡去到另一个州，在一家新的汽车厂或者新的绿色能源公司中干低级的活，拿微薄的薪水。
If it's too low or too high, the paste will not work.
如果太低或太高，糨糊就不起作用。
It will bring danger to all ocean life if sharks' numbers drop too low.
如果鲨鱼数量下降太多，会给所有海洋生物带来危险。
If you're standing nearby, the birdhouse will also give you a free Wi-Fi connection—but only if pollution level is low enough.
如果你站在附近，鸟舍也会给你免费 Wi-Fi 连接，但前提是污染水平得足够低。
He then thought if he went just a little bit further, the tree would be bent low enough for him to reach the kitten.
他又想，如果他再往前走一点，树就会弯得足够低，他就可以够到小猫。
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