по существу

см. тж. в основном; в принципе; фактически

• This method is conceptually identical with the one described in ...

• At that time essentially nothing was known about ...

• The physics of Rydberg atoms is essentially the physics of hydrogen.

• Composite propellants are essentially mixtures of an inorganic oxidizer and a fuel.

• In essence (or In substance), bacterial metabolism is a model from which the results are likely to be applicable to plants and animals.

• The adaptive principle consists in essence of three things: ...

• A demonstration of an optical bottle in air would in essence be a demonstration of optical levitation.

• The radiation from the explosion zone is substantially black body radiation.