lease
housing
租房合同，规定租期、租金与双方义务的法律文件。
Please read the lease carefully before signing it.
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当前词库
支持按英文、中文释义和子分类搜索。
生活英语
commute
transportation
通勤，指往返住处和学校或工作地点的过程。
My commute to campus takes about twenty minutes by subway.
syllabus
classroom
课程大纲，列出课程目标、进度、作业和评分方式。
The syllabus explains how each assignment affects the final grade.
office hour
classroom
教师答疑时间，学生可在固定时间与老师讨论课程问题。
I asked the professor about the project during office hour.
regression
machine learning
回归，用于预测连续数值的统计或机器学习方法。
Linear regression is often used to model housing prices.
classification
machine learning
分类，将样本划分到离散类别中的监督学习任务。
Spam detection is a common classification problem.
overfitting
model evaluation
过拟合，模型过度记忆训练数据，导致泛化能力下降。
Overfitting usually appears when a model performs well only on the training set.
feature engineering
machine learning
特征工程，通过构造、转换或筛选特征提升模型表现的过程。
Feature engineering can improve model quality before training.
gradient descent
optimization
梯度下降，通过沿损失函数负梯度方向迭代更新参数的优化算法。
Gradient descent adjusts parameters step by step to reduce error.
variance
statistics
方差，衡量数据或模型输出波动程度的统计量。
A high variance model may be sensitive to small changes in data.