basic section
2.It introduces basic mode of cross section of inherent stress concrete member bar,discusses rigidity and strength of different inherent stress, and illustrates basic design principle of cross section of inherent stress concrete member bar,which to extend application of inherent stress concrete structure.
4.K-Ar ages of basic-acid dikes of the 118-323 km section of the Xinjiang-Tibet Highway in the West Kunlun
8.The maximum attended section is 126km Nominal unattenced repeoter spacing is 1.5km Maximum-1.55km, Each terminalerpeater section may be composed of 7 attended section, corresponding appreximately 840kmSpacing of pre-equalization section is one half of attended sectionand each regulator section contains 6 basic line repeaters corressponding 9 km.

