Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索放置金属带膜自膨式支架治疗放疗后食管气管瘘的功效及生存时间。
| 单词 | Set Cover |
| 释义 |
Set Cover
英语例句库
Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula. 探索放置金属带膜自膨式支架治疗放疗后食管气管瘘的功效及生存时间。
原声例句
魔鬼经济学 The data set covered nearly every major American whaling voyage between 1807 and 1912 — that's around 15,000 voyages. 该数据集涵盖了 1807 年至 1912 年间几乎所有美国主要捕鲸航程，即大约 15,000 次航程。 经济学人 Science and technology On November 15th the EU approved an ambitious set of standards on methane emissions covering both domestic and imported energy, which Mark Brownstein of the Environmental Defence Fund (EDF), an advocacy group, calls " a breakthrough" . 11 月 15 日，欧盟批准了一套雄心勃勃的甲烷排放标准，涵盖国内和进口能源，倡导组织环境保护基金会 (EDF) 的马克·布朗斯坦 (Mark Brownstein) 称其为“一项突破”。
中文百科
集合覆盖问题 Set cover problem（重定向自Set Cover）
集合覆盖问题（ Set covering problem，SCP）是组合数学、计算机科学和计算复杂性理论中的一个经典问题。 集合覆盖的决定性问题是卡普的二十一个NP-完全问题之一。
英语百科
Set cover problem 集合覆盖问题（重定向自Set Cover）
The set cover problem is a classical question in combinatorics, computer science and complexity theory. It is one of Karp's 21 NP-complete problems shown to be NP-complete in 1972. It is a problem "whose study has led to the development of fundamental techniques for the entire field" of approximation algorithms. |
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