License

Copyright © 2021 by Lulin Yang & Banghua Zhao

All rights reserved. No part of this App may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author, except in the case of brief quotations embodied in critical reviews and certain other noncommercial uses permitted by copyright law. For permission requests, write to the author, addressed “Attention: Permissions Coordinator,” at the email below.

Gmail

appsbayarea@gmail.com

QQ Mail

appsbay@qq.com