Merge pull request #10 from AuYang261/master

update wamr doc

src/chap02/apps/wamr.md

@@ -102,3 +102,9 @@ cp test_tensorflow.wasm ../../../../../../rootfs/
 `*.tflite`模型文件由`rootfs/models/*.py`生成，可以在本地使用python生成自定义的`*.tflite`模型文件。
 
 运行上述`make`命令体验在RuxOS上运行神经网络模型。
+
+如果你想在Rust中构建支持wasi_nn的wasm，需要在make命令中添加`WAMR_BUILD_WASI_EPHEMERAL_NN=1`参数。因为Rust中wasi_nn的模块名是`wasi_ephemeral_nn`，而不是`wasi_nn`：
+
+```bash
+make A=apps/c/wamr ARCH=aarch64 LOG=info run MUSL=y NET=y V9P=y V9P_PATH=apps/c/wamr/rootfs ARGS="iwasm,--env="TARGET=cpu",--dir=.,/built_from_rust.wasm" WASI_NN=1 WAMR_BUILD_WASI_EPHEMERAL_NN=1
+```

translations/en/chap02/apps/wamr.md

@@ -105,3 +105,8 @@ The `.tflite` model files are generated by `rootfs/models/*.py`. you can also ge
 
 Then run the `make` command above to enjoy the NN support in ruxos.
 
+If you want to run WASM built from rust with wasi_nn support, you will need to add `WAMR_BUILD_WASI_EPHEMERAL_NN=1` argument in the make command. Because the module name of wasi_nn in rust is `wasi_ephemeral_nn`, instead of `wasi_nn`:
+
+```bash
+make A=apps/c/wamr ARCH=aarch64 LOG=info run MUSL=y NET=y V9P=y V9P_PATH=apps/c/wamr/rootfs ARGS="iwasm,--env="TARGET=cpu",--dir=.,/built_from_rust.wasm" WASI_NN=1 WAMR_BUILD_WASI_EPHEMERAL_NN=1
+```