The different color field of vision scope at the beginning ofcomparison searches;
不同颜色视野范围比较初探
Based on this view, this paper analyzes the suitability of protective respirators to human body, and systematically puts forward such ergonomic problems as seal, respiratory resistance, dead space and field of vision about protective respirators at the angle of human facial features and bio-mechanical characteristics of head and neck.
笔者从人体的面部形态与生理机能角度,分析了呼吸防护用品与人体的适配性,系统提出密合性、呼吸阻力、死腔、视野等呼吸防护用品的人机工效学问题。
This essay analyzed the artistic feature of poems on mountain or water written by Li Bai from these three aspects of field of vision , image or artistic conception, and the author probed into the contributing factor on real.
本文主要从视野、形象、角度三方面分析李白山水诗的艺术特征,探讨其宏大境界的成因。
Visual field changes after laser in situ keratomileusis of myopia;
近视患者准分子激光原位角膜磨镶术后视野改变
Ananlysis of visual field in primary open angle glaucoma with high myopia;
合并高度近视的原发性开角型青光眼视野分析
Study the charges of central visual field before and after rhegmatogenous retinal detachment surgery;
裂孔性视网膜脱离复位术前后中心视野的变化
Determination of apparent relative density of coal
GB/T6949-1998煤的视相对密度测定方法
Coke - determination of true relative density, apparent relative density and porosity
焦炭--真实相对密度、视在相对密度和孔隙度的测定
Test method for density and relative density of plastics
GB/T1033-1986塑料密度和相对密度试验方法
Clustering algorithm for multi-density based on grid relative density
基于网格相对密度的多密度聚类算法
Having relatively high density.
稠密的有相对较高的密度的
Test methods for density and relative density of fiber reinforced plastics
GB/T1463-1988纤维增强塑料密度和相对密度试验方法
General rule for determination of density and relative density for chemical products
GB/T4472-1984化工产品密度、相对密度测定通则
THE RELATIVASTIC TRANSFORMATION OF ENERGYFLOW DENSITY VECTOR AND ENERGY DENSITYOF ELECTROMAGNETIC FIELD
电磁场能流密度矢量与能量密度的相对论变换
crude petroleum and liquid petroleum products-laboratory determination of density-hydrometer method
原油及液态石油产品-密度及相对密度测定方法-液体密度计法
liquefied petroleum products gas and light hydrocarbons-determination of density or relative density-pressure hydrometer method
液化石油气及轻烃体-密度及相对密度测定方法-液体密度计法
Coke--Determination of true relative density
GB/T4511.4-1984焦炭真相对密度测定方法
of comparatively little physical weight or density.
指相对小的物理重量或者密度。
Method of testing for relative density of gas in urban area
GB/T12207-1990城市燃气相对密度测定方法
This sort of stone has a relative density of 2.7.
这种石头的相对密度是2.7
Essential oils--Determination of relative density
GB/T14455.4-1993精油相对密度的测定
of comparatively great physical weight or density.
有相对大的物理重量或者密度。
API Gravity Scale
美国石油协会(石油相对密度分级
Determination of true relative density of coa
GB/T217-1996煤的真相对密度测定方法