二次侵染：secondary infection
垩白米率：unchalky rice rate
二次刈割：Two cuttings
二型子叶：dimorphic cotyledon
额度分配：Quota distribution
二棱大麦：tworow barley
饵料鱼类：Forage fishes
二域模型：two-domain model
二次覆土：Covering soil twice
鄂豆6号：E Dou No 6
耳石重量：Otolith weight
二代虫源：insect source
饵料结构：food structure
垩白性状：Chalky characters
二甲酸钾：potassium diformate
二代家系：Family of the second_generation
二元分类：dual classification
二元混用：Binary mixture
饵用海藻：marine feed algae
二次衍射：re-diffraction
二级抗体：Secondary antibody
恶疫霉菌：Phytophthora cactorum
二段干燥：Two stage drying
二年三作：two-year-three-crop system
二元图像：Binary image
耳痒螨病：Otodectosis
二元杂交：binary crossing
耳叶蝉科：Ledridae
二季晚稻：Double cropping late rice
二晚秧苗：Double cropping late rice seedling
鄂茄1号：Eqie No.1
二代林网：second generation forest-nets
鄂北大枣：bigfruit Jujube in north Hubei
鄂西山区：E Xi Mountain Area
二面楔子：Two-side wedge
饵料效率：feed conversion rate
饵料配方：diet prescription
二阶常数：quadratic constant
二等极型：Two equal polar type
二三栖类：amphibious and triphibious
饵料成本：food cost
垩白品质：Chalk quality
二苯胺法：diphenylamine methed
鄂豆六号：`Edou No.6 soybean
二环系法：seconed cycle method
二级沙滤：secondary sand-filter
二元循环：binary cycle
二维洪水：D flood
二阶补偿：second-order compensation
二元推导：binary derivation