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水平等高梯田
释义
水平等高梯田
Encyclopedia
农学
园地开垦
释
bench terrace
水平等高梯田
在丘陵山坡地果园沿等高线方向修建的条状台阶式园地。
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quadratic representation
quadratic residue
quadratic residue modulo m
quadratic residue symbol
quadratic residue theorem
quadratic risk
quadratic root
quadratics
quadratic sieve
quadratic sine
quadratic smoothing
quadratic solitons
quadratic space
quadratic space of a quiver
quadratic square
quadratic stability
quadratic stabilizability
quadratic stabilization control
quadratic Stark effect
quadratic sum
quadratic surd
quadratic surface
quadratic surface form
quadratic symplectic space
quadratic tensor
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