查询词典 boom

Rather like shipbuilding half a century ago, he says, shipbreaking is a boom-and-bust business.

他说，不像半个世纪前的造船业了，如今的拆船业是大起大落啊。

The working-age population is falling at a faster rate; the huge baby-boom generation born between 1947 and 1949, the shock troops of Japan's economic miracle, are now retiring, leaving fewer workers to support a growing proportion of elderly.

处于工作年龄的人口下降速度更快；生于1947和1949年间巨大的婴儿潮一代，日本经济奇迹中的突袭部队，现在正在退休，留下人数更少的工人去支撑一个老年人比例不断上升的社会。

With the economic downturn, there's been a fresh boom across the country in volunteer cadres of citizens taking on some of the routine duties of short-staffed police departments.

由于时下经济不景气，美国各地普通居民志愿者承担警察局某些日常工作的事例又一下子多了起来。39岁的米勒和70岁的志愿者乔治。

That boom has now come to a shuddering halt.

现在这种繁荣发展令人震惊的停下了脚步。

The current boom began when the world famous Vega Sicilia winery from Ribera del Duero began to buy land around Toro under an assumed name.

当位于Ribera del Duero产区的世界知名的Vega Sicilia酒厂开始匿名购买托罗周围的土地后，托罗现今的繁荣开始凸显。

Siegfried is on the other side of the outsourcing boom: it is an insourcer.

齐格弗里德站在繁荣外围业务的反面，它是立足于企业内部业务的会计服务提供者。

In Chapter 9, a more complete optimization model of single boom, leading pulley compensation type luffing system of portal crane is established for the first time and is optimized by the integrated visualized intelligent optimization system.

第九章首次较完整地建立了单臂架导向滑轮补偿式门座起重机变幅系统优化设计模型，并用所开发的集成化可视化优化系统进行了求解，利用本文的研究成果，本章还进一步讨论了抓斗机构的优化问题，这些实际工程问题都验证了本文研究成果的有效性。

In this paper,the optimization of the single boom system withcompensating pulley is studied,in which the minimization of the height difference between theluffing path and the fixed level line is the optimum destination,and the boundary conditions andempiric formulas are constralnt equations.

以变幅轨迹与水平线间的高度差最小为目标，以经验设计公式和边界条件为约束函数，对平衡滑轮补偿法的单臂架系统进行优化，并以80t起重机为例进行计算。其计算结果表明：变幅轨迹曲线有了明显改善。

They have now multiplied sixfold since 2002, compared with the fourfold increase of the 1973 and 1974 "oil shock" that ended the world's long postwar boom.

他们现在成倍增加六倍，自2002年以来，相对於增加了四倍的1973年和1974年"石油冲击"，结束了世界的长期战后繁荣。

The boom of a derrick .He ended up on skid row.

他最後沦落到了流浪人的贫民区。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐