网上能买时时彩吗:Optical Table (9.0MX1.5m) Shanghai Institute of Optics & Fine Mechanics of the Chinese Academy of Sciences
Name: Composite self-balancing Precision Vibration-isolated Optical Table
Client Requested/Tailor-made Specification:
（1） Main breadboard consists of two connected pieces with receptive size of 6m*1.5m and 3m*1.5m.
（2） Seamless splicing of 2 separate pieces to form an L shaped platform.
（3） Unevenness is less than 0.1mm/㎡ and the roughness is less than 0.8μm.
（4） M6 threaded holes with space of 50mm*50mm in between.
（5） Inherent Frequency: Less than 2Hz in horizontal direction and less than 2Hz in vertical direction.
（6） Minimum load Capacity: 6,000kg.