Aiming at the characteristics of RLG strapdown inertial navigation system,the performances of Kalman filter,analytic gyrocompassing and indirect estimation are analyzed in theory.
It is emphasized that the first flooding surface (FFS) is used as a standard or useful marker in optimizing chronostratigraphic and lithostratigraphic boundaries.
Therefore the oxidation kinetics of scratched aluminum is associated with the exoelectron emission decay of the scratched surface under ordinary temperature and reduced Pressure.
Influence of thermal and hydric environments on incubating eggs, embryonic use of energy and hatchling characteristics were studied in a colubrid snake, Xenochrophis piscator.
When this method is applied to the spiral bevel gears of an airplane engine, the results show that it is more reasonable than TCA and the precontrol method.