Planar BSS with top chords of H-section can be made conveniently,and its joints can be connected easily,but the system is sensitive to the imperfection out of plane because the member of H-section has small stiffness out of plane.
H形截面上弦平面张弦梁结构具有制作方便、便于节点连接的优点,但由于H钢截面构件具有平面外刚度较小的特点,对平面外的缺陷非常敏感,在施工过程中若对此没有采取有效措施,结构会发生平面外失稳,以至无法施工。
(meteorology) of an air current or wind; rising especially up a slope.
（气象学）指气流或者风；向上升特别是沿斜面上升。
To raise(a gaff) above the horizontal.
升起斜桁把（桅斜桁）升过水平面
an armchair whose back can be lowered and foot can be raised to allow the sitter to recline in it.
椅背可以降低椅腿可以升高以便可以斜躺在上面的扶手椅。
A STUDY ON WALL MASS TRANSFER CHARACTERISTICS IN A GAS-LIQUID INCLINED UPWARD SLUG FLOW
倾斜上升管内气液两相弹状流壁面传质特性研究
The act or an instance of rising or rising up.
上升：起立；起床；上升的斜坡上升或升起的动作或东西
The farm-houses along the Sudbury shore, which rises gently to a considerable height, command fine water prospects at this season.
萨德伯里一侧河岸倾斜上升得很高，建在上面的农舍饱览这美丽的水景。
surface colour treatment [slope]
在斜坡的护面髹上颜色
The pagoda cast its shadow athwart the lake.
塔影斜映在湖面上。
And much nicer still, it contained a card with a very polite message written in a funny little uphill backhand(but one which shows a great deal of character)
更令人愉快的是里面有张措辞优雅的短笺，一笔有趣的左斜体，一点点爬升上去，字写得很有性格。
"The mansard roof has two slopes on all four sides, a shallower upper part and a steeper lower part. See also hammer-Beam roof. "
复斜屋顶在四个面上都各有两个斜面,一个较浅的上部斜面和一个较陡的下部斜面。
A slanting surface or bevel on the edge of a cutting tool, such as a chisel.
刃角如凿子等刃具边缘上的斜面或斜角
The increase of pollutants in the environment follows an upward sloping curv e.
环境污染的增加是按照倾斜上升的曲线变化的。
Fully coupled deformation analysis of slopes due to rise of ground water level
地下水位上升引起斜坡变形的完全耦合分析
Vapors steam upward from the earth.
水汽从地面上升起。
Mist is creeping over the lake.
湖面上悄悄升起了薄雾。
(heraldry) rising from the sea.
（纹章学）从海平面上升的。
The little mermaid rose out of the sea.
小美人鱼从海面上升起。
Run up a red flag on the mast.
在旗杆上升起一面红旗。