The phrase "a key point where" is correct and usable in written English.
It can be used to indicate an important location or moment in a discussion or argument.
Example: "In our analysis, a key point where the data diverges is at the 50% mark."
Alternatives: "a crucial moment when" or "an important juncture at".
However, the key point where we disagreed with the rest of the committee was on the proposal that the government's new Vehicle Excise Duty (VED) regime should, under the guise of a "green tax", be applied retrospectively, to cars bought since March 2001.
The second key point where the Tea Party argument breaks down is that -- once again -- they are actually protesting lower taxes.
There were a few key points where I was waiting for him to use the word.
For emphasizing a key point, or where the assistant feels the instructor should elaborate his explanation, the assistant will raise that point by asking the instructor a question.
The leather components also offer a soft surface at the key points where your Watch could make contact with the stand, letting those who baby their gadgets rest a little easier.
Some of these areas are of no surprise as a critical component of change, but they also represent the key points where failure can begin to manifest first.
Within the immunological framework, there are several key points where functional balance is poised between a tolerant state and undesired immune reactivity, and that provide a guide to the variety of immune components that could be therapeutically targeted to restore a state of immune tolerance.
Developing and evaluating cost effective quality early interventions in pre-school and childcare are key points where development indicators can trigger support, potentially making a difference to life-long outcomes.
Through the study of this paper, we hope to identify several key points where digitalization should be prioritized in urban energy system, picture a roadmap towards future digital technology enabled intelligent urban energy system, and finally points out the research gaps that need to be fulfilled over there.
BP's own inquiries into the cause of the disaster see the cement as one of the key points where failure needs to be investigated.Mr Waxman's hearing seems likely to reinforce the perception of BP as an evil rogue.
