Remove grammatical mistakes: After all the above, we can see the improper model and the unsatisfying social conditions really act as obstacles to innovative engineering designs.
The first part of the sentence is not correct, the second part is not correct.
The first part of the sentence is correct, the second part is not.
The first part of the sentence is correct, the second part is not.
The first part of the sentence is correct, the second part is not.
The first part of the sentence is correct, the second part is not.
The first part of the sentence is correct, the second part is not.
The first
The first sentence is incorrect. The second sentence is correct.
The second sentence is incorrect. The first sentence is correct.
The second sentence is correct.
The first sentence is incorrect. The second sentence is correct.
The second sentence is incorrect. The first sentence is correct.
The second sentence is incorrect. The first sentence is correct.
The second sentence is incorrect. The first sentence is correct.
The second sentence is incorrect. The first sentence is correct.
The second