Night temperatures can drop below 15 degrees Celsius.
夜间温度可能会降到15摄氏度以下。
Cyanosis usually occurs when oxygen levels in the blood drop below 90 percent.
黄萎病通常在血液中氧气水平降到90%以下时发生。
The problem comes when the market crashes and prices drop below the strike price of the option.
但当市场崩溃、资产价格跌落到行权价格以下时，问题就出现了。
Keep your wrists in a vertical line with your elbows, and don't let them drop below the bench pad.
让手腕和肘部保持垂直，高度上不要低于练习垫子。
Total unemployment is expected to drop below the 2.8 million mark this fall, the lowest level since 1991.
预计失业总人数在今年秋季能够降到280万，自1991年以来的最低水平。
Northeast China fine to cloudy, daytime temperature will above zero in, but at night and will drop below zero.
东北地区晴到多云，白天气温将在零度以上，但晚上又会降到零度以下。
Within 50 years the prevalence of HIV would drop below 1%, compared with up to 30% at the moment in the worst-affected areas.
目前最严重的发病地区，HIV患病率高达30%，药物治疗后50年内可降至1%以下。
But some relief could be under way as Chinese iron ore miners start to close pits as prices drop below their cost of production.
但是，一些利好因素可能即将显现。随着铁矿石价格跌至低于生产成本的水平，中国铁矿石企业开始让一些矿山停产。
Emerging Asia's average inflation rate will drop below 4% in 2009, which will give central Banks more room to cut interest rates.
预计在2009年，亚洲新兴经济体的平均通胀率将会回落4%，这也会为其央行创造更多的减息空间。
Due to 360's quick reaction and QQ Doctor's premature launch, many people uninstalled QQ Doctor, making its market share drop below 10%.
因为360反应及时，并且QQ医生的公布时机并不成熟，许多人卸载了QQ医生，使其市场份额一下子掉到了10%以下。
That said, Microsoft's drop below 70 percent is worth noting, but the news is more that people continue to use IE and something else.
就是说，微软的份额降到70%一下并不能说明什么，这条新闻最多表明人们继续使用IE和其他浏览器。
Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.
科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。
At the same instant, Q3 sources current into R4 through D1, thereby pulling the voltage on R4 to a diode drop below the supply voltage.
与此同时，Q3的源电流通过D1流到R4，从而拉动R4的电压，使二极管电压降到低于电源。
F1 tyres have an optimum operating temperature, and when they drop below that they rapidly lose grip, which dramatically slows lap times.
F1赛车的车胎对环境温度有要求，当温度低于底限时候轮胎就会失去抓地力，这会大大减慢圈速。
Allowing the official Facebook user age to drop below 13 will expose children to emotional pressures and public scrutiny they can't yet handle.
公然把Facebook用户年龄限制降低到13岁以下会提前把儿童曝露于以他们年龄还无法承受的心理压力和公众目光。
They also set a relatively low pass mark, saying that no bank should be allowed to let its core-capital ratio drop below 5% by the end of 2012.
他们还设立了一个相对较低的标准，并称2012年末所有的银行的核心资金充足率都不得低于5%。
The researchers found that moving from unemployment to a good job raised workers' scores by 3.3 points, but taking a bad job led to a 5.6-point drop below average.
研究者发现从失业转为拥有一个好工作会提示工作者3.3分，但是坏工作导致比平均分下降5.6分。
Individual country readings fell across the board, including for non-OECD member countries, with most seeing their CLIs drop below their long-term average of 100.
单个国家的数据全线下跌，包括非经合组织成员国，大多数国家的综合领先指标低于长期的平均值100。
With a 6pm Thursday kick-off and live television coverage, there are concerns the crowd could drop below the 17, 200 gate for FC Midtjylland's visit in August 2008.
由于比赛是在星期四晚6时开始，并且有实况电视转播，所以有人担心这场比赛的上座率也许会比2008年8月对阵FCMidtjylland时的还要低，那场比赛只有17200名观众。
Clicking << or >> will track continuously until the start or end of the clip is reached, provided the tracker matching score does not drop below the failure threshold.
点击< <和> >将不断跟踪直到开始或结束时达到的片段，只要跟踪匹配得分不低于阈值就不会失败停止。
Similarly, if a manufacturer's processing of an order for finished goods causes its stock on hand to drop below a minimum threshold level, it launches a production run.
类似地，如果制造商对成品定单的处理导致它的现有库存低于最小阈值级别，那么它启动生产运行。
At sunset, the Sun would drop below the horizon, then pop back up into view before resuming its normal course, ultimately setting again for a second time within a week.
日落时太阳将先落下地平线然后在一般情况出现前重新露出再在一周的时间里继续落下第二次。
But demographics experts worry China's intense preoccupation with controlling its population growth has created unintended consequences as birth rates drop below normal.
但人口统计专家担心，中国专注于控制人口增长的偏激做法已造成了意想不到的后果，因为人口正常出生率显现下降。
State media on Tuesday reported that average driving speeds in the capital could drop below 15 kilometers an hour if residents keep buying at current rates of 2,000 new cars a day.
周二有官方媒体称，按现在市民每天新购2000辆车计算，北京开车的行驶速度可能会降到每小时15公里。
And if love Bank balances drop below the romantic love threshold, a couple not only lose their feeling of passion for each other, but they lose their instinct to make each other happy.
如果爱情账户低于爱情的底线时，男女双方不仅会对对方失去热情，而且会失去为对方做让他快乐的事的本能。
Even though you save on kerosene, it takes more than three years after purchase for the total cost of running a compact fluorescent lamp to drop below that of a kerosene lamp and fuel.
如果不用煤油灯，节省下来的灯油钱，要三年才抵得上购买一个紧凑型灯的花费。
Even though you save on kerosene, it takes more than three years after purchase for the total cost of running a compact fluorescent lamp to drop below that of a kerosene lamp and fuel.
如果不用煤油灯，节省下来的灯油钱，要三年才抵得上购买一个紧凑型灯的花费。
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