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- We call such a spanning subgraph T an economical spanning subgraph. 我们称这样的生成子图T为廉价的生成子图。
- This work develops an automatic, Constraint-Based Span Arrangement System for bridges (CBSAS), that generates economical span arrangements based on various constraints imposed by the user. 若桥梁长度较长且混合不同上部结构工法时，则规划者在进行跨距配置时难以完整地考量各项限制而迅速配置出合适之方案。
- UHVAC Transmission Line Pole and Tower Planning and Economical Span Analysis 交流特高压线路杆塔规划及经济档距分析
- Modern medicine has increased man's life span. 现代医学延长了人的寿命。
- The arch has a span of 60 metres. 那个拱的跨度为60米。
- He has settled here for a long span of time. 他已经在这儿定居很长一段时间了。
- I have to buy a more economical stove. 我得买一个更节省燃料的火炉。
- They always keep their kitchen spick and span. 他们的厨房总是很整洁。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- His life had almost completed its span. 他的生命几已到尽头。
- She is economical in her use of salt when cooking. 她烹饪时用盐很少。
- An obstacle or a span to be jumped. 需跳越的障碍或跨度
- Can you span an octave on the piano? 乍能按到钢琴的八个键吗？
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- She writes novels with economical style. 她以简练的风格写小说。
- A monthly is more economical than 4 weeklies. 一张月票比四张周票上算。
- It's not an economical method of heating. 这不是一种经济的取暖方式。
- The determination of the economic span of fixed assets 关于固定资产经济寿命的确定方法
- The span of a flag from the staff to the outer edge. 旗子的横幅从旗杆到外面的旗的宽度
- My mother always keeps our house spick and span. 我母亲总是把房子收拾得干干净净。
