The XRD patterns of both the samples were well indexed to the standard cubic CsPbBr3 phase, with no observable secondary phases。个人理解：with no observable secondary phases 有种补充说明的意思，难道是啥补充状语？
...s,such as semiconductors,to be made domestically by 2030.这里不定式做状语，其逻辑主语是谁呢2.Indeed,the sheer depth of the scheme has triggered a technological arms race,with US President Donald Trump insisting that China's state subsidies for these industries must be curtailed ...
...#39;s hypothesis was that, "Sure, it works in simple lab experiments, where you have just two competing species in a controlled environment.教授: 对于高斯假设的早期批评之一是: “当然了，这个假设在简单的实验环境里是有作用的，在一个可控的环境...
...is wife that _____ for their son's bad performance at school是一个宾语从句，作feel的宾语。这个宾语从句是“it is/was+ 被强调部分 + that”结构的强调句，这里被强调部分是主语Jack as well as
his wife。如果主语部分有as well as，谓语动词的数应该...
...ing and Qing Dynasties.本句中，“ingenious in design”是作句子的状语？2、By the end of 2016 it had 10,000 graduates, for whom it claims an employment rate of 90% 这里的for whom,怎么理解，在句中作什么成分？