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以聚烯烃树脂为基础原料,并加入防老化剂和其他助剂,融化后拉丝编织成的一种耐老化、高强度的新型网状农用覆盖设施材料。又称遮光网、遮阴网、凉爽纱。夏季覆盖起到遮光、挡雨、保湿、降温的作用。冬春季覆盖还有一定的保温增湿作用。
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Standard for clinical research medicine
standard for deformation control of hydraulic structures
standard for discharge of pollutants
standard for engineering classification of rock mass
standard for insulation coordination
standard form
Standard Form of Poetry
standard for nuclear electric power geration
Standard For Pharmaceutical Packaging Materials
standard for pollution control
standard for pollution control on the storage and disposal site for general industrial solid wastes
standard for seismic design of hydraulic structures
standard for solar energy
standard for stability against sliding of hydraulic structures
standard for terminology of heating,ventilation and air conditioning
standard for thermal power plants
Standard for the Scheme of Chinese Phonetice Alphabet Input with Universal Keyboard GF 3006—2001
standard for the use of nutritional fortifier in foods
standard for traffic speed
Standard for Weather Data of Building Energy Efficiency
standard frequency
standard frequency and time signal
standard function
standard Gaussian distribution
Standard Generalized Markup Language
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