noun下载🔗分享倒三角算子,哈密顿算符 The symbol ∇ used to denote the gradient operator.例子:"The professor explained that "dels are used to calculate gradients in physics problems." "教授解释说,“**倒三角算子(哈密顿算符)**常被用于计算物理问题中的梯度。”mathphysicstechnical与AI对话词汇游戏阅读练习
noun下载🔗分享偏导符号,偏微分符号 The symbol ∂, in the context of a partial differential例子:"In multivariable calculus, students often struggle to distinguish between regular derivatives and "dels", which represent partial derivatives with respect to specific variables. "在多元微积分中,学生们经常难以区分普通导数和“偏导符号∂”,后者表示对特定变量的偏导数。mathtechnicalphysics与AI对话词汇游戏阅读练习
noun下载🔗分享部分,份。 A part, portion例子:"Each of us must contribute dels of our time to the community project. "我们每个人都必须贡献出自己一部分的时间来参与社区项目。partamount与AI对话词汇游戏阅读练习