senooken JP Social
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senooken JP Socialはsenookenの専用分散SNSです。

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  1. orange (orangeinspace@mstdn.nere9.help@mstdn.nere9.help)'s status on Saturday, 29-Dec-2018 15:35:19 JST orange orange

    フェリーはやぶさは18ノットくらい？＞＜
    飛行機は津軽海峡の辺りでは対地速度300ノットくらい＞＜（300ktは、だいたい555km/h？＞＜）
    北海道新幹線は青函トンネル内140km/hと言う事は76ノット？＞＜

    In conversation Saturday, 29-Dec-2018 15:35:19 JST from mstdn.nere9.help permalink
    • えじょねこ repeated this.

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senooken JP Social is a social network, courtesy of senooken. It runs on GNU social, version 2.0.2-beta0, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All senooken JP Social content and data are available under the Creative Commons Attribution 3.0 license.