查询词典 difficult problem

elision：省音:元音的简化与脱落

3 Problem sounds问题音 | B. Fluency techniques发音顺畅技巧 | 2 Elision省音:元音的简化与脱落

Bessel ellipsoid：贝塞尔椭球

贝塞尔大地主题解算公式 Bessel formula for solution of geodetic problem | 贝塞尔椭球 Bessel ellipsoid | 贝叶斯分类 Bayesian classification

elliptic curve cryptography：椭圆曲线密码

非线性椭圆方程:nonlinear elliptic equations | 椭圆曲线密码:elliptic curve cryptography | 分叉:bifurcation problem

elliptic curve cryptography：椭圆曲线密码体制

椭圆曲线离散对数问题:elliptic curve discrete logarithm problem | 椭圆曲线密码体制:elliptic curve cryptography | 椭圆曲线离散对数问题:elliptic curve discrete logarithm problems

elliptic equation：椭圆方程

椭圆问题:elliptic problem | 椭圆方程:elliptic equation | 椭圆正则性:Elliptic regularity.

symptoms of elusion：症状规避

严重心理问题severe psychological problem | 症状规避symptoms of elusion | 提高警觉heighten vigilance

emptiness problem：空集問題

空集 emptiness | 空集問題 emptiness problem | 空引數 empty argument

end point control：端點控制

端點分析 end point analysis | 端點控制 end point control | 端點控制問題 end point control problem

Endgame problem：殘局難題

Encompassing test 涵盖性检定 | Endgame problem 残局难题 | Endogenous growth 内生成长

enrollment mark：录取分数线

录取通知书 letter of admission | 录取分数线 enrollment mark | 两手抓两手都要硬 We must address ourselves to the problem of both material and spiritual

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛