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颈卵器
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颈卵器
Encyclopedia
理学
〔植物形态与结构〕
释
archegonium
颈卵器
苔藓植物、蕨类植物和大多数裸子植物的雌性生殖器官。产生卵细胞、受精及原胚发育的场所。
Biology
archegonium
颈卵器
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grounded theory
ground effect
ground effect of main rotor
ground escape and safety control system
ground fermentation
ground field
ground field characteristic
ground fissures
ground fit test of airborne stores
ground form
ground fractures disaster
ground gamma-ray surveying
ground geophysical prospecting methods for groundwater
ground glass
ground glasses screen
ground gravity survey
ground improvement
ground improvement and reinforcement for hydraulic structures
grounding
grounding device
grounding/earthing of railway telecommunication and signalling equipment
grounding for EMC purpose
Grounding Line
grounding plane
grounding resistance
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