all net surfaces and datum's are to be made from hardened steel and mounted to a separate base whenever possible 所有网面和基准要由硬化的钢制造出来同时在可能的情况下安在一个单独的基准上。
the results show good performance between vis, irl, sun zenith and net surface radiation . the correlation coefficient is up to 0.8259 通过理论部分推导出的关系可以看出:地面净辐射与太阳天顶角、地面及云面反照率等因子有关。
cotton net surface prevent part of skin suffering from wetness because it is fast to absorb wetness; funnel design is better than tubbiness design, because it is not easy to flow back 吸水快的棉网面可使局部皮肤不受潮湿之苦;漏斗型设计优于桶状设计,渗入的液体不易回流。
for the northern i ndian ocean, the net surface heat flux and entrainment through the bottom of mixed layer have semiannual period, which is the major cause of semiannual variations in sst 就赤道以北印度洋而言,海面净热通量和混合层底的卷夹过程都有半年周期,这是sst呈现半年周期变化的主要原因。