The phrase "a human approximation" is correct and usable in written English.
It can be used when discussing a representation or estimation that is made by humans, often in contexts like science, art, or philosophy.
Example: "The model provides a human approximation of the complex data, making it easier for us to understand the underlying patterns."
Alternatives: "a human estimate" or "a human representation".
"The Girl Next Door," Christine Fugate's melancholy documentary portrait of the porn star Stacy Valentine, suggests that the intersection of pornography and cosmetic surgery has given birth to a new genre of performer: the porn star as human approximation of an inflatable sex toy.
On the latest you've turned thirty-six, whish is the human approximation of that 360 degrees.
To a first approximation, a human and a Neanderthal chosen at random would also vary by three million base pairs.
To a reasonable approximation, a human genome is like a mouse genome that has been chopped into pieces and rearranged (see diagram).
There is also, similarly, the striking approximation of a human smile on the face of every pig, even a slaughtered one hung upside down by the hocks: the small eyes close tight in mirth and the mouth hangs open in a pleasant expression made worse by the color of the face, which, in its pallor, approximates the colour of Nordic human flesh".
Rhesus macaques and other NHPs have been used extensively as an approximation to a human response due to anatomic similarities.
Animal models can offer only rough approximations of a human illness, capturing at best a few of its symptoms or causes.
Because of rapid mouse metabolism, a 10 mg/kg BW mouse dose can be considered equivalent to 1 mg/kg BW in humans (an approximation of a high Asian soy diet).
An approximation of what a human or robot senses can be inferred, based on the end effector's distance to particular features in the environment.
Call it a collage, an approximation, or a tribute.
