Furthermore, the structure of most female cycad cones seems inconsistent with direct pollination by wind.
此外,大部分雌苏铁球果的结构似乎与风直接授粉不一致。
The structure of cycads male cones is quite consistent with the wind dispersal of pollen, clouds of which are released from some of the larger cones.
苏铁雄球果的结构与花粉的风传播相当一致,花粉云从一些较大的球果中释放出来。
Then, design a few wind towers right into the structure to enhance natural ventilation.
然后,在建筑结构内部布置一些风塔,以增强自然通风。
Besides directing compasses, the Earth's magnetic field reaches out into space to direct the flow of the solar wind around the planet-forming a structure called the magnetosphere (depicted above).
地球的磁场效应不仅能够指引指南针,还能够将其效应延伸至宇宙空间来指引地球四周的太阳风的流向,这样就形成了一种称为“磁气圈”的结构(如上图所示)。
In structure design and engineering field, the research on wind load is important.
在结构设计和工程领域,对于风荷载的研究十分重要。
The roof constructed of steel covered with aluminum, seems to float above the massive concrete walls, as if disconnected from the main structure and part of the wind.
屋顶钢结构表面覆盖了铝质材料,轻盈的结构看起来就像悬浮在混凝土墙面上一样,仿佛从主结构断开,成为了风的一部分。
Instruments onboard the WB-57 include HIRAD, the hurricane Imaging Radiometer, which will help determine the strength and structure of hurricanes by looking at wind speeds deep within the storm.
WB - 57上装配了飓风成像辐射计(HurricaneImaging Radiometer, HIRAD),这种仪器可以通过观察风暴中心处的风速来确定飓风的强度和结构。
In a nonuniform wind field, however, great changes take place in the structure, causing an increase of errors.
但在非均匀风场中,回波结构在运动过程申发生变化,导致该方法的误差大大增加。
The prediction of fatigue life is important for steel towers and so on, because for this type of structure wind load is regarded as the main load.
由于风荷载是钢塔架等钢结构的主要荷载,风荷载作用下上述结构的疲劳寿命预估因而是至关重要的。
Warm Western red cedar clad porches carve into the living quarters structure, sheltering exterior Spaces from wind, and providing a rich comparison for the adjacent charred wood.
温暖的西部红雪松覆盖的门廊,嵌入居住部分的结构,阻挡外界的风,并与周边烧焦的木头形成鲜明的对比。
Including frames, cladding materials, design printed layer, wind, rain and snow proof structure, and the night lights as the lighting facilities, making it the single copy costs more than other ads.
包括框架、覆面材料、图案印刷层、防风、防雨雪构造,以及夜晚作为照明的灯光设施,使得其在单件复制成本高于其他广告。
The second important structural change is the structure of energy shifted from conventional coal-based to more clean energy consumption, including natural gas, wind, solar.
第二个重要的结构性变化是能源结构将从以常规煤炭为主转向更多地消费清洁能源,包括天然气、风能、太阳能。
The echoes do not change their structure as they move in a uniform wind field so that the method can be used to track the echoes with great accuracy.
在均匀风场情况下,回波结构在运动过程中不发生变化,故用该方法确定的回皮运动精度很高。
The pulsating method is used to test the dome structure of the building under pulsation wind. Measured experimental data are compared with those obtained from the finite element analysis.
在脉动风的作用下,对穹顶结构进行脉动法实测,将实测值与有限元分析结果进行比较。
The variation of wind profile structure in Naqu area with the process of rainy season is analyzed by using the wind profiler data and statistic method.
本文利用此次探测资料,通过统计分析和典型个例分析相结合的方法,研究了雨季到来前后那曲地区大气边界层的风廓线结构特征。
When vehicles are present the design wind pressure shall be applied to both structure and vehicles.
当有车辆存在时,设计风压应加在结构和车辆两者上。
The wind load is one of the main control loads for the large span steel roof structure.
风荷载是控制大跨度钢屋盖结构设计的主要荷载之一。
The effect of random wind load applied on the structure is simulated and calculated. And random wind vibration response of the structure is studied deeply.
模拟计算了施加于结构的随机风荷,并对结构的随机风振响应作了较深入的研究。
These structures all belong to the wind sensitivity structure, as a result the wind load carries to become the main loads that controls its structure design to carry.
这些结构都属于风敏感性结构,因而风荷载成为控制其结构设计的主要荷载。
Concrete carbonization can be accelerated by wind pressure, which makes the durability of the section of concrete structure different everywhere.
风压对混凝土碳化的影响是客观存在的,它会导致混凝土构件截面耐久性不等。
Compared with the traditional methods of structure wind engineering, CFD has obvious predominance, yet which has many problems in practice because of its imperfectness.
相比传统的结构风工程研究方法,CFD方法具有明显的优势,又因其不完全成熟,CFD的应用也有很多难点问题。
In the field of roof structure design, wind load is a very important designing load that is the main external load and the main cause to the roof destruction.
在屋盖结构设计中,风荷载是一个极其重要的设计荷载,是主要的外来荷载,是引起屋盖破坏的主要原因。
The static and dynamic response analyses on wind excitation of the windbreak structure around the coal store yard of Qinhuangdao Port are conducted.
采用有限元方法对秦皇岛港煤堆场防风网结构在风荷载作用下的静、动力响应进行分析。
Based on actual project, the paper analyses the forced features, design method and conformation of a wind column for a structure with portal frame.
以实际工程为背景,对门式刚架结构抗风柱的受力特点、设计方法、构造措施进行了分析,并提出了建议性的设计方。
We analyze the system from several aspect: run with union fans, merit, natural wind pressure, angle-link structure, reliability and colligate state based on balance graph and so on.
包括风机联合运转分析、功耗分析、自然风压分析、角联结构分析、可靠性分析以及基于平衡图的综合状态分析等多个方面。
Controlling the comfort of tall building due to wind induced vibration is important for structure design.
高层建筑风振舒适度的控制是结构抗风设计的一项重要内容。
In the wind simulation of long-span spatial structure, both time and spatial correlation and local non-Gaussian characters should be considered.
大跨空间结构的风速模拟需要考虑风的时间和空间相关特性以及局部区域内风载的非高斯特性。
In the wind simulation of long-span spatial structure, both time and spatial correlation and local non-Gaussian characters should be considered.
大跨空间结构的风速模拟需要考虑风的时间和空间相关特性以及局部区域内风载的非高斯特性。
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