sentence-transformers safetensors bert feature-extraction sentence-similarity mteb Health Medicine Treatment Diagnosis Therapy custom_code zh dataset:fine-tuned/jinaai_jina-embeddings-v2-base-zh-jinaai_jina-embeddings-v2-base-zh-CM dataset:allenai/c4 license:apache-2.0 autotrain_compatible text-embeddings-inference endpoints_compatible region:us