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The Babylonians did not use the hour, but did use a double-hour lasting 120 modern minutes, a time-degree lasting four modern minutes, and a barleycorn lasting 313 modern seconds (the helek of the modern Hebrew calendar).

秒摆的摆长在1660年被伦敦皇家学会提出作为长度的单位，在地球表面，摆长约一米的单摆，一次摆动或是半周期的时间大约是一秒。

In addition,discussion is undertaken for the 60 metre width double-layer barrel vault about the structural steel weight and cot affected in different grid size、rise/width ratio and different loads.It also includes the effect of wind loads on those of 100 metre width structure.The application in the roof of coal storage of barrel va

以60m跨度的双层圆柱面网壳结构为对象，研究了不同网格尺寸、不同矢跨比、不同荷载对结构的用钢量、造价等结果的影响；以及不同风荷载对100m跨度网壳计算结果的影响；比较分析了三心圆柱面网壳与圆柱面网壳结构在电厂干煤棚中的应用。

The multistage construction analysis method has been successfully used to simulate the whole erection process of a 102m-span barrel vault grid structure and a 118m-span double-layer spherical reticulated shell.

并运用多阶段施工全过程跟踪数值理论进行了两算例分析：某102m跨度大型柱面网壳结构的累积滑移施工与支架滑移施工的理论模拟，某118m跨度双层球面网壳结构悬臂施工的全过程理论分析。

Today a barrel of oil is priced at more than double that.

现在每桶原油的价格已经是30美元的2倍。

Another threat at all games, 22- year-old Shannon Murphy from Cincinnati was undefeated at the start of the evening, having come back for double-hill wins in dramatic fashion against Chris Bartram and Martinez.

另一种威胁，在所有的游戏， 22日-今年岁的香农墨菲从辛辛那提是u ndefeated在开始晚上，回来后，双山胜在戏剧性的时装对克里斯B artram与马丁内斯。

Suzaku, no, I should tell you to ring, white tiger, snake Teng, double-Prince 15, Qinglong, basaltic,Small monster............

朱雀，不，我应该告诉你戒指，白虎，蛇腾，双王子15日，青龙，玄武，小怪物。。。。。。。。。。。。

In each of his first seven innings, Wang had allowed a leadoff base runner but used four double plays to escape.

前七局，小民都让每一局的首位打者上垒，不过，也以四次双杀化解危机。

At least Hannahan was out. In each of his first seven innings, Wang had allowed a leadoff base runner but used four double plays to escape.

尽管在他主投的8局内有7局第一名者就都让他上盗垒包，但他造成了4个双杀时，那是他又回来了的讯号。

Basing on the upward point, the research brings forward the eight kinds of measures of the standardized management of the contract farming: first, making standard contract, perfecting the program of signing; second, applying double theory etc, forming the benefits mechanism of the contract farming; third, facing the market demand

订单农业在我国的应用是客观现实的选择，但也存在着一些问题，因此，现阶段发展订单农业需要在风险规避机制、微观管理和服务、宏观政策环境优化等多方面创新，趋利避害，进一步完善和发展订单农业，提高订单农业的应用效果。

In China, more and more people are concerned about learning and double bass.

在我国，越来越多的人学习和关注低音提琴。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。