一年一次

"Waterskiing has boom ed since World War Il, and the World Water Ski Union, established in 1949, holds world championships every two years."

滑水运动在二战后迅速兴起，成立于1949年的世界滑水联合会每两年举办一次世界锦标赛。

U.S. presidential election, 1940: Democrat incumbent Franklin D. Roosevelt defeats Republican challenger Wendell Willkie and becomes the United States' only third-term president.

1940年的今天，在1940年的美国总统选举中，民主党人弗兰克利·D·罗斯福击败了来自共和党的挑战者温德尔·威尔基，从而成为美国历史上唯一一位第三次担任总统的人。

His artworks have won Yulon First Gold Prize, the Second Place in the 29th National Annual Technical Competition, Second Prize at the Love at Okinawa Woodcarving Competition, and Number one in the 2007 National Woodcraft Creativity Competition. His works are highly recognised. In July 208, he was invited to participate in the International Summer Creativity Inn organised by Hungary National Artists Foundation, Hungarian Department of Culture and Tatabanya City Culture Foundation. That visit has a profound impact on his artwork. The artwork he completed during the camp was immediately requested to become one of the collections in Tatabanya City Museum.

作品曾荣获裕隆木雕金质奖首奖、全国木雕创作比赛第二名、小琉球漂流木艺术创作比赛第二名、森雕诸罗2007年全国木雕艺术创作比赛第一名等殊荣，颇获各界肯定。2008年7月更受邀参加由匈牙利国家艺术家基金会和匈牙利文化部赞助，以及塔塔班牙市文化基金会行政支持的塔塔班牙市夏季国际创作营，这一次的出访对他的创作有更进一步的影响，在创作营完成的作品立即获得「塔塔班牙市立美术馆」的收藏。

His madness became clear in 2000, when, to his amazement, he lost what amounted to a referendum on his two-decade rule. Mr Mugabe turned wrecker.

二十年的统治最终把他带到了2000年的全民公投，而这一次的挫败让他的疯狂昭然若揭，开始大肆破坏。

This one I don't buy, now if they were talking about asteroid 99942 Apophis impacting us in 2029 or 2036, that one I could swallow.

这一次我不买，现在如果他们谈论99942号小行星撞击在2029年， 2036年我们阿波菲斯，是一个我可以吞下。

"Mysterious ice grain " Pluto once was fully favoured by "constellation fan " and uncounted astrophil, unfortunately "greatly "be laid-off" in reducing the staff the solar system", on August 24 , 2006 late in nearest once, the representative at the meeting takes it as an excuse that "whose insufficient big prepare a track and adjacent to mass planets part coincides ", unanimous decision "gives Plutonian planet qualification the sack", and demotes the person for average short planet on international astronomy federation annual meeting holding in Prag.

曾经备受&星座迷&和无数天文爱好者宠爱的&神秘冰谷&冥王星，不幸在最近的一次太阳系&大裁员&中&下岗&，2006年8月24日晚，在布拉格举行的国际天文学联合会年会上，与会代表们以&其质量不够大和轨道与邻近行星部分重合&为由，一致决定&开除&冥王星的行星资格，并将其降级为普通的矮行星。

Battle Flag of USS Balao From 25 July 1943 to 27 August 1945, USS Balao served in the Pacific Ocean. Her flag shows that Balao destroyed one warship and nine merchant vessels during her ten patrol.

从1943年7月25日到1945年8月27日，&跃鱼箴&号（Balao SS-285）在太平洋服役，她的战旗显示在她的10次巡航中，她共击沉一艘军舰和9艘货船。

The detailed time-match semiempirical models represnting the chromospheric state during the impulsive phase of the 2B flare on Fab. 3 1983 are proposed by making the non-LTE calculstions on hydrogen and ionized calcium. The physical pictures of total evolutionary pattern of the impulsivs phase of the flare are improved either quantitatively or qualitatively in comparison with the former work we did.

利用南京大学太阳塔多波段光谱仪拍摄到的1983年2月3日2B级耀斑脉冲相期间的Hα和CaⅡK线轮廓系列光谱资料，按照我们所发展的构造定态色球耀斑半经验模型的方法，通过联立求解氢和一次电离钙的能级平衡方程和辐射转移方程，建立了能够再生Hα和CaⅡK线观测轮廓的更为完整的1983年2月3日2B级耀斑脉冲相色球半经验模型。

The cycle of tribal warfare and urban decline that began in the 13th century with the Mongol invasions was temporarily reversed with the re-emergence of the Mamluks. The last Mamluk leader, Daud (1816-31), initiated important modernisation programs including training a 20,000-man army.

1831年，一次可怕的洪水和瘟疫过后，马赫穆德二世得以在伊拉克重新建立一个瀛弱的奥托曼政权。1869年，改革家米德哈特帕夏被任命为巴格达的执政官后，奥托曼王族才树立了真正的权威。

On the basis of comprehensive analyses of recent climatic data, it exposes a decadal abrupt change of African-Asian Summer Monsoon in the 1960s.

在综合分析了近几十年气候资料的基础上，揭示了本世纪60年代的一次亚非夏季风十年尺度的突变。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。