span是什么意思

span中文什么意思

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These large sheets can be corrugated to allow them to span over distance of about 2m .
这些大板可以制成波形，这样，它们可以跨越2米左右的距离。
The relationship between bonds and cotrees is analogous to that between cycles and spanning trees .
键和余树之间的关系类似于圈和生成树之间的关系。
Several rivets in the tie plates of span 2 were cracked because of the in-plane bending of the plate .
第二跨条板中的几个铆钉由于板面内弯曲而开裂。
Over a vast span of time, these molecules became associated with one another in temporary complexes .
经过漫长的时间，这些分子彼此交结成临时的络合处。
For consistency in the comparison, the end span dimension is assumed to be 0. 4 of the center span .
为了在比较中取得一致，假定边跨长度均为中跨的04倍。

名词

the act of sitting or standing astride
同义词：straddle
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
同义词：bridge
the distance or interval between two points
a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
two items of the same kind
同义词：couple, pair, twosome, twain, brace, yoke, couplet, distich, duo, duet, dyad, duad
the complete duration of something; "the job was finished in the span of an hour"

动词

to cover or extend over an area or time period; "Rivers traverse the valley floor", "The parking lot spans 3 acres"; "The novel spans three centuries"
同义词：cross, traverse, sweep

１span n. 期間; 短時間; 持続時間; 全長; 範囲; 〔建築〕スパン, 橋脚間の距離.

【動詞＋】

span中文什么意思