Early versions of the periodic table had gaps, missing elements.

早期的元素周期表有空缺，缺少一些元素。

youdao

It was really pretty exciting for scientists at that time to find these missing elements and confirm their predictive properties.

对当时的科学家来说，找到这些缺失的元素并证实它们被预测的特性，确实是非常令人兴奋的。

youdao

By using the table view, you can identify missing elements.

通过使用这种表格视图，您可以识别丢失的元素。

youdao

We need our technicians and our legal experts, from both sides of the Atlantic, to continue their dialogue to improve the Safe Harbour agreement as well as other missing elements.

FORBES: The EU's 'Right To Be Forgotten': What Data Protections Are We Missing in the US?

There are a number of elements missing in that view.

CENTERFORSECURITYPOLICY: The growing Afghanization of Latin America

Dharmendra Kumar, director of India FDI Watch, which has been working with trade associations, hawkers organizations and farmers groups to lobby against the policy change, says there are a few key elements missing from the new rules.

WSJ: India Eases Foreign Direct Investment Rules