These make itnecessaryto determine a minimummeaningunitand a definitearticulationof the meaning levels for architecture.
借鉴意大利符号学家艾柯的符号分节理论做出分析,并藉此探讨其对建筑创作的方法论意义。
cos- mopolitan technical problems arisen in the process of precisely screening the moist glutinous fines of the raw coal(6 mm),proposes an essential solution,and provides a new kind of the screening machine;Low frequen- cy,large amplitude,large vibrating direction angle,sectional vibration,even-depth screening,large line vi- bration screen,large amplitude arthropod screen.
在煤炭加工行业中,针对潮湿粘性细粒原煤深度筛分(6 mm)中出现的筛孔堵塞、筛分效率低下等世界性技术难题,提出了根本的解决方案,提供了一种新型的筛分机械:低频率、高振幅、大振动方向角、分节振动和等厚筛分的大型直线振动筛-大振幅节肢筛。