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鼠害防治阈值
释义
鼠害防治阈值
Encyclopedia
农学
鼠害防治
释
threshold for rodent control
鼠害防治阈值
当防治鼠害所需要投入的成本(费用)大于或等于害鼠造成危害的种群数量。是由作物(或其他)受害水平来确定的。
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by-product gas
byproduct of biodiesel
by-products of drug production testing
by-products of steelmaking
Byrd crater
by-reaction
Byrnes Isidori normal form
Byrnes-Isidori normal form
Byron
Byron Bay
Byron Janis
by-side-machine gear measurement
B-Y signal
bysma
byssinosis
byssus
bystander effect
bystander intervention model
byte
bytecode
byte-count-oriented protocol
byte multiplexor channel
bytestream file
By the Sea
By the Yan River
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