source bulk resistance

例句：

1. 1. The material's bulk resistance is a critical factor in its electrical properties.
   该材料的大宗电阻率是其电气性质的关键因素。
2. 2. Bulk resistance tests are used to measure the electrical conductivity of materials.
   大宗电阻测试用于测量材料的电导率。
3. 3. In the construction industry, bulk resistance testing is essential for ensuring the integrity of electrical systems.
   在建筑行业中，大宗电阻测试对于确保电气系统的完整性至关重要。