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Discover LudwigThe phrase "a closed box" is correct and usable in written English.
It can be used to describe a box that is not open or is sealed, often implying that its contents are inaccessible.
Example: "The mystery of the closed box intrigued the children, who wondered what treasures lay inside."
Alternatives: "a sealed container" or "an enclosed box".
Exact(57)
It's not a closed box.
"The service doesn't live in a closed box," he said.
Lyds Blessing Carton, baby in a closed box, get it?
A SEED, to most people, is an inscrutable thing, a closed box waiting to be unpacked.
This motion, in fact, would not be discernible by an observer in a closed box.
The measurements were performed in a closed box at room temperature and constant relative humidity of 67%.
In both cases the measurements were performed in a closed box at room temperature and constant relative humidity of 67%.
We present the results of a numerical study of the flow in a closed box due to a vortex fixed at its center.
Yet the lack of light makes the painting seem more like a closed box than an open space – a stage-set from which there is no escape.
Similar(2)
In this work, we present an analytical method for estimating the productivity of an infinite-conductivity horizontal well in a closed, box-shaped reservoir producing at either a constant rate or a constant pressure.
Also, we assume a closed-box model.
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