关键

1. crucial

A crucial question in the field of gene regulation is whether...

Chronic inflammation in fat plays a crucial role in the

has a crucial role in the


2. key

the following two key questions were identified

One of the key questions in climate change research relates to the future dynamics

3. critical

To resolve the critical question of accurate identification of the macrophages

When multiple outcomes are assessed, a critical question to be considered is whether
these should be examined separately or somehow integrated,

reveal a critical role in

4. essential
The essential problem here is to find a feasible path from a source

So this raises the essential questions

The essential questions are as follows

5. vital


6. pivotal
This question is pivotal to the business-case issue


7. extremely important

8. fundamental