ocr: - 1 / - - - - - - - - - - t à . 2 - - - - - - - - - - - - - L - - N - - 0 - - - - - - - - - - - - - - 4 - - - - l - - - 4 - - - - I - - - - - - i - - - - - - - - - - - - - - - 1.3.8. Thiis 15 the phase purtrait or tte prucoding Syammical systert.. Indced, 771 here WÇ fiud a trajectry which is eedely. 1.3.7. sumchow Ir Ilis circle seems planar uhrut ai a if vecturicld the point. low has USL an rk curve. periodic wrupped IL is This also around trajectorv is known Culled and cycle, a Rs a around or closed closed the ascillution. trajecto- orbit, same