Two seconds, three seconds, four seconds.
两秒钟,三秒钟,四秒钟
I timed how quickly I could write down a number: about four seconds for 10 digits.
笔者计算了一下自己写下一个数字的速度：约4秒写一个10位数。
Increase the maximum timeout length variable to permit pauses of more than four seconds between knocks.
增大最大超时长度变量的值可以让两次敲打序列之间暂停4秒以上。
When a fridge compressor starts up it wants 240 volts, 50 cycles right now, not in three or four seconds time.
当冰箱压缩机启动时，它希望240伏特，50次循环现在，而不是在三，四秒的时间。
Conventional factories can churn out one steel sheet every four seconds, which amounts to 150 of them in 10 minutes.
普通工厂每4秒就生产一张薄钢板，10分钟就能生产150张。
We define average velocity as the position at time four seconds minus the position at time zero, 4 divided by four.
我们定义平均速度，是四秒时的位置，减去0秒时的位置，除以。
In the same aperture value, I have found that the sky needs four seconds shutter time, but 40 seconds for the sea level.
在一样的光圈值，我测得天空需要4秒的快门时间，但海面需要40秒。
The prototype device, which scans a print in 0.1 seconds and processes it in about four seconds, can handle only one finger at a time.
这套设备原型扫描一个手指需要0.1秒，处理需要4秒，同时只能采集一个指纹。
Whereas it can take several minutes for hot gas to get the ice out of the mold, a high-power electrical pulse takes about four seconds.
之前用燃气加热，需要几分钟才能把冰从模具里取出，而利用电脉冲法，只需要四秒就可以完成。
The first is that the vehicle accelerates from nought to 100km (60 miles) per hour in just four seconds. That is faster than a Ferrari.
其一，起这辆Telsa起步加速0-100km/h仅需四秒，这个指数比Ferrari要快得多。
"For observers anywhere in southern India, there [was] an impressive ten minutes and four seconds of maximum eclipse time to enjoy," he said.
他说：“在印度南方的任何地方，观测者都有令人印象深刻的10分4秒的最长日食时间来享受(此次日食)。”
He was playing the role of an enemy scout during an exercise that was meant to evaluate the weapon, and got blasted at full power for four seconds.
在那次武器评估演习中，这名飞行员扮演敌方侦察兵的角色，受到最大功率灼伤，持续时间四秒钟。
The, 000 Enzo can accelerate to 60mph in less than four seconds before reaching a top speed of 217mph - enough to test any cardiac pacemaker to the limit.
恩佐售价66万美元，能在不到四秒的时间内加速至每小时60英里，随后达到217英里的最高时速，足以考验任何心脏起搏器的极限。
Second, use a breathing technique. For example, breathing in for four seconds, then breathing out for four seconds, with a two-second pause between breaths.
其次是运用呼吸技巧，例如，分别各用四秒的时间吸气和呼气，中间憋气两秒。
Use of hot spring water, gravity design of the three color slides, 46 metres long and only four seconds, like birds, like a glider, like the same feeling spray scattered dolphin!
河北华莹白鹿温泉度假中心-温泉篇利用温泉水的自流设计的三彩滑梯，46米长，只用4秒，像鸟一样滑翔，像海豚一样感受水花四溅！
More than a billion don't have clean water to drink, while hundreds of millions are chronically hungry. And every four seconds a child under age 5 dies because of extreme poverty.
有十亿多的人口喝不到干净的水，有上亿人口长期处于饥饿状态，每四秒钟就有一个五岁以下儿童死于极度贫困。
We do not normally hold some facial expressions for long periods and natural expressions (notably smiles) have definable durations, typically between about half a second and four seconds.
正常情况下，我们无法长时间保持面部表情，而且自然的表情(尤其是笑脸)有规定的时间，一般为0.5 -4秒。
MARC WORTMANN: "There is a new case now in every four seconds, a new case of dementia in the world. Only ten years ago, it was calculated at one in seven seconds, so it is speeding up."
沃特曼：“现在全球每4秒会出现一个老年痴呆症新病例，十年前还是每7秒出现一个新病例，所以说它正在加速。
The stakeholders who have the proper access authorizations can require that the service be available 99% of the time and that the download time per page of the document be no more than four seconds.
拥有正确访问授权的涉众可能要求该服务在99%的时间内可用，并且每个文档页的下载时间不超过四秒。
Run up at a constant pace for up to 45 seconds, then jog back down and repeat four more times.
跑上山时的步子要保持不变，大约在45秒钟以上，然后再慢跑下山，这样重复跑四次以上。
Overall, it took each user an average of 17 minutes and 20 seconds to read a story regardless of the platform and comprehension levels were virtually identical on all four reading formats.
总体而言，无论平台和理解水平都几乎相同的四个阅读格式上，每个用户平均花费了17分钟20秒阅读故事。
In four locations where a sunspot was soon to emerge, acoustic waves returned to the solar surface with anomalous rapidity-more than a dozen seconds faster than normal.
在有黑子将要浮现的四个地方，返回到太阳表面的声波异常迅速- - -比正常情形快了至少十二秒。
In fact, people who held the mug for 30 seconds bid more than the retail price four out of seven times.
事实上，持杯30秒的人在七次报价中有四次高于零售价。
They changed four tyres, filled with gas, give the driver a drink of water in around ten seconds.
他们换了四个轮胎，打满气，让驾驶员喝口水，一切就花了10秒钟。
Which would now seem more eloquent of the collective mood – the optimism of Beethoven's Ode to Joy, the EU's official anthem, or John Cage's four minutes and 33 seconds of silence?
哪一个更能代表集体情绪：贝多芬的欢乐颂的乐观主义，欧盟的官方圣歌，还是JohnCage的四又三十三秒的静默？
The program shows the user four sets of PINs, which takes about 28 seconds to complete, but ensures a higher level of security than just showing one set.
该套程序一共会向用户显示四组身份识别码，虽然完成全部认证需时约二十八秒，但与只显示一组识别码比起来，四组的安全度更高。
The helmet device injects shaving cream and operates four razors simultaneously, and appears to provide a clean, tidy and safe haircut in 20 seconds.
头盔装置中注入剃须膏，并有4个刀片同时运作，只需20秒就可以理一个干净、整洁的光头，安全可靠。
Once they had been started from cold and had loaded their innards into memory, all four browsers could be restarted and load the home page in five seconds or so.
这四款浏览器一旦在冷启动且将内部程序载入内存后，均能在大约5秒内重启并加载主页。
Forty-two seconds later, according to Captain Steve Ruda of the LAFD, four firefighters and two paramedics set off, arriving at Jackson's house just over three minutes later.
具洛杉矶消防队队长SteveRuda称，43秒后，4名消防队员和2名医护人员立即出发，并在3分钟后赶到了杰克逊的家中。
Forty-two seconds later, according to Captain Steve Ruda of the LAFD, four firefighters and two paramedics set off, arriving at Jackson's house just over three minutes later.
具洛杉矶消防队队长SteveRuda称，43秒后，4名消防队员和2名医护人员立即出发，并在3分钟后赶到了杰克逊的家中。
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