未知元素 meaning in English

unknown

He forcast for the unknown elements their atomic weights and all kinds of properties .
他预言了这些未知元素的原子量和各种特性。
Gets the line number where the unknown element was encountered if the xml reader is an
，在遇到未知元素的位置获取行号。
Gets a value indicating whether an unknown element is encountered during deserialization
获取一个值，该值指示反序列化过程中是否遇到未知元素。
In this paper , we discussed the integrality of the methods by using the properties of similar matrices to confirm unknown elements
摘要讨论了利用相似矩阵的性质来确定矩阵中未知元素方法的完整性。
When these instances are serialized , these unknown recorded elements ssn and securitytoken will be serialized as well
当这些实例被序列化时，这些被记录的未知元素（ ssn和securitytoken ）也会被序列化。