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苗木分级
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苗木分级
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农学
〔苗木培育〕
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seedling gradation
苗木分级
对需要出圃的苗木按苗木质量标准进行等级划分。目的是使出圃苗达到国家规定标准,保证用壮苗造林,减少造林后的苗木分化现象,提高造林成活率和林木生长量。
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magneto crystalline anisotropy
magneto-crystalline anisotropy
magnetocrystalline anisotropy
magneto-dependent sensor
magnetodynamics
magnetoelastic bending and stability
magnetoelastic biosensors
magneto-elastic effect
magnetoelastic effect
magnetoelasticity
magnetoelastic transition
magnetoelastic wave
magnetoelectret
magnetoelectric
magnetoelectric composite
magnetoelectric coupling
magnetoelectric effect
magnetoelectric galvanometer
magneto electricity sensor
magnetoelectric meter
magnetoelectronic materials
magnetoelectronics
magnetoemission
magnetoencephalogram
magnetoencephalograph
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