Sentence examples for frequency of a dragonfly from inspiring English sources

According to the catalog, they emit the sound of "the wing-beat frequency of a dragonfly, the mosquito's most dreaded enemy".

Our experimental results show that the fundamental natural frequency of dragonfly wings is in the order of 170 Hz when it is clamped at the wing base.

Furthermore, the numerical results show that the first natural frequency of dragonfly wings is about 168 Hz and bending is the predominant deformation mode in this stage.

Can you identify a photo of a dragonfly wing when you see it?

This method requires a small punch in the shape of a dragonfly or some kind of improvised wire cutter in the shape of a dragonfly.

Here are some suggestions: Model the clay into the shape of a dragonfly.

For me, this is like the life of a mayfly or a dragonfly or -- better still -- a butterfly.

Working with the two-inch-long Emerald dragonfly often seen darting around Australian ponds, the researchers inserted an electrode about 1/1500th the width of a human hair into a dragonfly neuron known to be involved in visual processing.

Or, in one case, the friend of the sister of a man who went to high school with a Dragonfly.

It was a dragonfly, but what kind of dragonfly?

—A dragonfly has a lifespan of about 24 hours.