Hydrazine perchlorate and lithium perchlorate form two eutectics.是什么意思？

Hydrazine perchlorate and lithium perchlorate form two eutectics.

过氯酸肼和过氯酸锂形成两种低共熔物.

hydrazine

n. 肼，联氨；

例句
Examples of such fuels are monomethyl - hydrazine and diborane.
这种燃料的例子是一甲肼和二硼烷.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

lithium

n. <化>锂；

例句
Chromeplating lithium is mainly used for chromic acid and acid.
镀铬用的电解液次给是铬酸酐和硫酸.

form

n. 形状，形式，外形，方式，表

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。