alternation of signs
符号的变更
热门查询
- contingency n. 偶然性；[安全] 意外事故；可能性；[审计] 意外开支；[离散数学或逻辑学]偶然式
- gulf n. 海湾；深渊；分歧；漩涡 vt. 吞没
- memorization n. 记住；暗记
- phew n. (Phew)人名；(东南亚国家华语)标 int. 唷（表示不快、惊讶的声音） vi. 咂舌头
- decriminalization n. 合法化；非刑事化
- mailshot n. 邮寄广告
- overextend vt. 过分扩展；过分延长；使…承担过多的义务
- spontaneous adj. 自发的；自然的；无意识的
- prohibitively adv. 禁止地；过高地；过分地
- haemoglobin n. 血红蛋白；血色素
- livestock n. 牲畜；家畜
- whisk n. 搅拌器；扫帚；毛掸子 vt. 拂，掸；搅拌；挥动 vi. 飞奔，疾过
- propylene n. [有化] 丙烯（等于propene）
- humanities n. 人文学科（humanity的复数 ）
- bagatelle n. 琐事，小事；弹子球戏的一种；轻快小曲 n. (Bagatelle)人名；(法)巴加泰勒
- cyclops n. 库克罗普斯（独眼巨人）
- espalier n. 墙树；墙式树木
- machinery n. 机械；机器；机构；机械装置
- cutback n. 减少，削减；情节倒叙
- gravel n. 碎石；砂砾 vt. 用碎石铺；使船搁浅在沙滩上；使困惑 n. (Gravel)人名；(英、法、西)格拉韦尔
考试词汇表
- speed torque characteristic
- speed tractive effort curve
- speed-course-latitude error
- speed-regulating hand wheel
- speed-torque characteristic
- speedmeter indication error
- speedometer adapter bracket
- speedometer with mileometer
- spencer well artery forceps
- spent fuel pit cooling loop
- spent fuel processing plant
- spent fuel storage building
- spent neuclear fuel carrier
- spent nuclear material pool
- sperm immobilizing antibody
- sperm-immobilizing antibody
- spermatic cord lymphography
- spermatogenic activity test
- spermatozoa coating antigen
- spermatozoa-coating antigen
