共找到 719 条与 相关的标准,共 48 页
Classification of Meteorological Conditions for Wheat Scab
Grading of winter wheat wet damage
Crop Chilling Injury and Freezing Injury Grading
Coding Specifications for Weather Modification Operation Sites, Operation Units and Operators
Announcement Specifications for Antiaircraft Artillery and Rocket Weather Modification Operations
New generation weather radar hail cloud identification technical indicators
Specifications for rocket artificial rain enhancement and hail prevention
Business specification for artificial rain (snow) enhancement of surface combustion furnace
Technical Specifications for Meteorological Observation and Analysis of Meteorological Conditions at the Proposed Airport Site
Meteorological Service Specifications for Winter Wheat Planting
Technical specifications for maintenance of regional automatic weather stations
Heavy rain induced disaster risk census and standardization of flash floods
General Principles of Climate Feasibility Demonstration Specifications
Specifications for Completion Acceptance of Meteorological Construction Projects
Specifications for acceptance of construction quality of lightning protection devices
Major meteorological disaster emergency response activation level
First frost date morning and evening levels
Technical specifications for lightning disaster risk assessment
Surge Protectors Part 2: Principles of Selection and Use in Low Voltage Electrical Systems
Portable automatic weather station
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