1、In summary, the open is a primary market indicator.
綜上，開盤價是市場一個重要指標。

2、At present, China's primary market or a monopoly by the state.
目前，中國的主要市場或壟斷地位的國家。

3、Its primary market is for data and voice transfer between communication devices.
它的主要市場是針對設備之間的數據和語音傳輸。

primary market翻譯