-
1. In double-length multiplication, we need to consider the length of the sides and the diagonal.
在双长乘法中，我们需要考虑到边长和对角线的长度。
-
2. The teacher explained the double-length multiplication problem to the students.
老师向学生们解释了双长乘法问题。
-
3. During double-length multiplication, it's important to ensure accuracy and precision.
在双长乘法过程中，确保准确性和精确性非常重要。