protractor nghĩa là gì

Ví dụ về protractor

• Using a protractor we were able to make an estimate of the angle of one of the air wedges: 37 (0.645 radians).

• The angle of flexion of a whole finger with 3 joints was measured with a protractor.

• The angle between the 2 metal sides was measured with a protractor, estimated accuracy 1x (3 measurements, averaged).

• This instrument, which was constructed from a precision protractor and sensitive bubble level, was accurate t o within 0.05".

• By contracting the transverse muscles (and the action of protractor muscles), the foot becomes narrow and elongated causing it to penetrate the substrate.

• The angle of inclination relative to the horizontal of the petiole, lamina and drip tip of each leaf was measured using a transparent plastic protractor and a plumb line.

• The angle of pulmonary artery bifurcation was measured by a hand-held protractor from the recorded image by extrapolating straight lines along the medial walls of the branch arteries.

• One ran, as it were, with the protractor alongside, knowing that in many cases the long jump depended on height and not length.