同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。
The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.
2002年，在这一发现的十周年之际，多佛青铜时代船舰信托基金会主办了一次会议，其中显示出明显有一些不同的传统。
In 2002, on the tenth anniversary of the discovery, the Dover Bronze-Age Boat Trust hosted a conference, where this meeting of different traditions became apparent.
然而，当在第三盘将很容易的高压球打下网之后又一次被穆雷破发，西班牙人的势头戛然而止。
The Spaniard's momentum was halted in the third game however when he missed an easy overhead into the net to give Murray another break.
上一次造成重大伤亡的地震于1999年发生在该国繁荣的西北部。
The last deadly earthquake struck the prosperous north-west of the country in 1999.
在今日剩余比赛中，德约科维奇成功化解了6个破发点中的4个，而仅被对方破发一次，以1个小时24分钟迅速结束比赛。
In the 2nd set of the match, Djokovic converted 4 of 6 break points while being broken only once to wrap up the match in just 1 hour 24 minutes.
确定发博文的日程：开始写博的时候，可暂定每周，或每两周更新一次，而且要为此预留一些时间。
Create a Posting schedule: When you start your blog, commit to Posting once a week, or once every two weeks, and block out some time in your schedule to do that.
最大的一次地震1960年发生在智利，震级为9.5级。
The largest, with a 9.5 magnitude, shook Chile in nineteen sixty.
如果功能版本每三年发布一次，只需要支持一个版本，那么每四个月发行一次维护版没有任何问题。
Shipping maintenance every four months worked well when feature releases were shipping every three years and there was only one current stream to support.
这大约会每20秒发生一次，但如果接收的通知量很大的话，也可以发生得更频繁一点。
This occurs approximately every 20 seconds, but can be more frequent if a large number of notifications are being received.
印度计划在2016年发射其第一次载人航天任务，并希望在数十亿美元的商业卫星发射市场上占领更大的份额。
India aims to launch its first manned space mission in 2016 and wants to grab a larger share of the multi-billion-dollar market for launching commercial satellites.
有一次，我帮我妈往我的邮箱里发一大堆图片(她好像刚刚发现摄影的乐趣)。
This one time, I was helping my mom try to email me a bunch of pictures (itself overkill, as she seems to have just discovered the wonder of cameras).
没有一次破发的第二场，一段小插曲让人多少感到不快。在第四局的刚开始，费德勒就遭遇一次面对面的闯进球场球迷的侵扰。
The second set, which did not have a single break of serve, was overshadowed by an incident which saw Federer come face to face with a court invader at the start of the fourth game.
怎样去：从也门大陆出发，天气情况许可的情况下，搭乘渔船或两周一次的飞行航班。
How: From mainland Yemen, hop a fishing boat or take one of two weekly flights, weather permitting.
如果他们在接近周五发射预定时间前叫停，那么可能直到周日都没有另一次试射的机会。
If they call off Friday's attempt close to the planned launch time, it is likely another attempt will not be made until Sunday.
该情况曾在2007-08年发生，现在又一次发生。
我正考虑做其它外科手术，例如再做一次植发和吸脂手术。
I was thinking about other surgical procedures like another implant and liposuction.
执行最近一次探访的金星快车号飞船是由欧洲航天局在2005年发射升空的。
The most recent of these, Venus Express, was launched by the European Space Agency in 2005.
这种气候系统的循环每2到7年发生一次，上次抬头是在2007年。
This cyclic weather system normally occurs once every two to seven years, and last reared its head in 2007.
我们半年发一次奖金。
她每隔几天就要漂染一次头发，才不会在金色的假发下边露出自己的发色。
And she had to bleach her hair every few days, so that it wouldn't show under her blonde wig.
专家说，尽管这一发现并不令人惊讶，但这是证明个人信仰延伸至整个社会的一次最大规模的研究。
While the finding is not surprising, experts say that it is the largest study to demonstrate that individual beliefs extend to society as a whole.
琳达第一次用过后，发现出现一条粉色条纹和一条微微发半粉的条纹。
The first time she tried, Linda got onepink strip and one faint, half-pink strip. We had no clue what that meant.
他们一起创立了正发党，并在2002年的选举中第一次胜出。
They co-founded AK and secured its first election victory, in 2002.
然而，1997年，他举行了最后一次巡回演唱会，并在2001年发行了加入新元素制作的最后一张专辑，之后就从公众的视线中消失了。
But he had withdrawn from the public eye, taking his last tour in 1997 and releasing his last album of new material in 2001.
然而，1997年，他举行了最后一次巡回演唱会，并在2001年发行了加入新元素制作的最后一张专辑，之后就从公众的视线中消失了。
But he had withdrawn from the public eye, taking his last tour in 1997 and releasing his last album of new material in 2001.
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