你需要做一年两次的常规检查。
美国将在6月主持召开第四轮一年两次的美中战略经济对话。
The United States is hosting a fourth round of the twice a year Strategic Economic Dialogue in June.
我用下面的第二本书作为我一年两次的软件工程课程的教科书。
I use the second as the textbook for my software engineering course that I teach twice a year.
他们被剥夺了工作保障、培训以及一年两次的奖金(大约是正式员工收入的20%)。
They are denied job security, training and biannual bonuses (around 20% of income for regular employees).
公司拒绝向他们提供工作保障培训和一年两次的红利(大约占固定职工收入的20%)。
They are denied job security training and biannual bonuses (around 20% of income for regular employees).
在8月17日一年两次的美国化学学会会议上，研究人员报道了模仿蠕虫蛋白质化学合成的一系列聚合物。
On 17 August at the biannual meeting of the American Chemical Society, researchers reported synthesizing a series of polymers that mimic the worm proteins' chemistry.
一年两次的干旱季节逐渐延长，最后合并为一个漫长而炎热的季节，对玉米、木薯、红薯等作物构成严重的打击。
Two separate dry seasons have progressively expanded until they meet to form one long hot season, hitting crops such as maize, manioc and sweet potato.
服装设计师皮尔•卡丹周二说，现在的服装设计师风格转变得太快，一半是因为一年两次的时装发布会，使得设计出经久耐看的衣服变得更加困难。
Today's fashion designers change styles much too fast, partly due to twice-yearly collections, making it harder to create couture that lasts for years, designer Pierre Cardin said on Tuesday.
根据联合国粮农组织一年两次的一份最新报告显示，2006年，全球渔业的产量达到了1亿4360万吨。这是继1950年有渔业产量记载来的最高记录。
WORLD fish production hit 143.6m tonnes in 2006, the highest since records began in 1950, according to a new biannual report from the UN's Food and Agriculture Organisation.
6月8日，一年两次的欧佩克会议在维也纳举行，会议笼罩在一片不和谐的氛围中，对于一个致力于"协调、整合"其成员国政策的组织来说，这显得尤为不幸。
FOR an organisation committed to “co-ordinating and unifying” the policies of its members, the lack of harmony on display at the twice-yearly OPEC meeting in Vienna on June 8th was rather unfortunate.
该组织对美国父母进行的一年两次的调查显示，0-8岁儿童中使用移动设备的人数比例从2011年的38%升至2013年的72%，增长89%。
The group's biannual survey of American parents found an 89% increase in the number of zero to eight year olds who have used mobile devices - growing from 38% in 2011 to 72% in 2013.
这项调查显示，在本次140个城市参与的一年两次的角逐中，得分97.5%的澳大利亚第二大城市墨尔本名列第一，超过得分97.4%的维也纳。
The survey shows that in this biannual competition participated by 140 cities, Melbourne, the second largest city in Australia tops the list via the score of 97.5%, followed by Vienna, scoring 97.4%.
两次无结果的选举和一年的政治僵局使得比例代表制受到广泛地指责。
The proportional representation system was widely blamed for two inconclusive election results and a year of political stalemate.
在一年的时间之内举行了两次选举。
一年至少一到两次更换你的工作环境。
记不记得她前两次经营的地方在一年内都破产了吗?
Remember the last two places she managed went bankrupt in a year!
记不记得她前两次经营的地方在一年内都破产了吗？
Remember the last two places she managed went bankrupt in a year!
她将正规的设计学习方法与不合常规的想法相结合，例如，她曾发誓同一件衣服在一年内不穿两次。
She mixed a very serious approach to learning her craft with eccentric ideas, such as vowing to not to wear the same outfit twice in one year.
获奖者们将被要求一年提交两次对项目里程碑进度和奖金是使用情况进行详述的报告。
Winners will be required to submit a report twice a year which details progress made toward Project milestones and how the award funds are being used.
太空观测站在过去一年记录了将近70个这样的太阳耀斑，每个规模都差不多是“巨型”耀斑的十分之一，从2007年以来，这种“巨型”耀斑共发生了两次。
Space observatories in the past year recorded about 70 such solar flares, each roughly ten times weaker than "extreme" flares, of which only two have occurred since 2007.
零售商也还没有完全摒弃长久以来形成的一年两次清空存货的传统销售活动。
And retailers haven't completely abandoned the traditional twice-yearly, inventory-clearing sales at the long-established times.
在过去的一年里，只出过一两次小毛病，持续时间不过2分钟。
Over the past year there have been only one or two minor hiccups lasting less than two minutes.
他的哮喘发作次数越来越少，从以前每三、四个月一次，减少到一年仅约两次。
His asthma attacks have become less frequent, from once every three or four months to only about twice a year.
小型鸟类一年进行一到两次换羽，在换羽期间，它们一次会替换掉9到10根左右的飞羽，而这个过程将持续几周时间。
Small birds molt once or twice a year, and they replace their 9 or 10 primary flight feathers a few at a time over the course of a few weeks.
但是等到他们即将走出校门的时候，他们四个全和男孩子睡觉，而且睡在小胡上铺的姑娘曾在一年当中堕过两次胎。
But by the time they graduated, all four roommates were sleeping with boys, and the girl on the bunk below Hu had had three abortions in one year.
据菲利普斯测算，一台机器人一年可以覆盖80英里的线路两次。
Phillips figures that each robot will be capable of covering 80 miles of line twice a year.
据菲利普斯测算，一台机器人一年可以覆盖80英里的线路两次。
Phillips figures that each robot will be capable of covering 80 miles of line twice a year.
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