standard opinion
2.In accordance with the practical application and the classification principle of GB/T 8918—1996 standard,the indeterminateness of classification according to usage principle is pointed out,and the standard is compared with that of abroad. The opinion on the items of abroad standards deserving to use for reference and the problems existing in domestic wire rope standard are put forward.
8.The characteristics of the standard buses STD and CAMAC are described in this paper. A comparison between the two standard buses is made in system structure, bus specifications and software design. The opinion of the authors is that in middle and small test control systems the CAMAC is out of date and will be replaced by the STD.
10.Aiming at the crack situation of an aqueduct of the water diversion project, we carry on the analysis from two running states of the flume, considering the error which is produced by the internal force calculation according to the old standard, uses a large-scale finite element analysis to analyze the running states, and analyzes the reason of the crack forming based on the using condition, and brings forward the reinforcement opinion and design suggestion about the similar flume.
