def METHOD_NAME(rspecifiers, in_filetype, percent):
    assert percent <= 1.0
    if not isinstance(rspecifiers, list):
        rspecifiers = [rspecifiers]
    feat = np.concatenate(
        [
            load_feature_shard(rspecifier, in_filetype, percent)
            for rspecifier in rspecifiers
        ],
        axis=0,
    )
    logging.info(f"loaded feature with dimension {feat.shape}")
    return feat