1. The awakening was almost feline in its stealthiness.

2. However, due to its stealthiness and the Japanese government's policy of disguising its crime, Germ Factory 1644 has not been well known by scholars home and broad.

3. The protocol can improve the stealthiness of the text watermarking algorithm.

4. Rich gave Overholser full credit for finding the key to unprecedented stealthiness.

5. The remotely controlled mini attack boat has the advantages of small sizes, fast speed, high striking power, easy deployment, good stealthiness, low cost and so on.