Đặt câu với từ iceland spar, mẫu câu có từ 'iceland spar' trong từ điển Tiếng Anh

Đặt câu với từ "iceland spar"

1. A set of formulas are deduced form the geometrical relationship of iceland spar.

2. With the development of science and technology, the processing technique of Iceland Spar developed greatly.

3. There are abundant mineral resources, mainly copper, lead, zinc , mineral deposits, such as Iceland spar.

4. We can be conviniently studied with reference to a crystal of calcite or Iceland spar.

5. At last, the corresponding numerical results are plotted in curvilineal diagrams for Iceland spar and crystal sulphur, they make the directions of ...